(1) absorbent cotton ; absorbent wadding; acaricides; acetates for pharmaceutical purposes; acids for pharmaceutical purposes; acne treatment preparations; aconitine; adhesive plasters ; sticking plasters; adhesive tapes for medical purposes ; adhesive bands for medical purposes; adhesives for dentures; adjuvants for medical purposes; air purifying preparations; air deodorising preparations; albumin dietary supplements; albuminous foodstuffs for medical purposes; albuminous preparations for medical purposes; alcohol for pharmaceutical purposes; aldehydes for pharmaceutical purposes; algicides; alginate dietary supplements; alginates for pharmaceutical purposes; alkaline iodides for pharmaceutical purposes; alkaloids for medical purposes; alloys of precious metals for dental purposes; almond milk for pharmaceutical purposes; aloe vera preparations for pharmaceutical purposes; aluminium acetate for pharmaceutical purposes; amino acids for medical purposes; amino acids for veterinary purposes; anaesthetics; analgesics; angostura bark for medical purposes; insecticides ; anti-uric preparations; antibacterial soap; antibacterial handwashes; antibiotics; anticryptogamic preparations; antioxidant pills; antiparasitic preparations; antiparasitic collars for animals; antiseptic cotton; antiseptics; appetite suppressants for medical purposes; appetite suppressant pills; aseptic cotton; asthmatic tea; astringents for medical purposes; babies' diapers ; babies' napkins ;diapers ; babies' napkin-pants ;diaper-pants ; babies' diaper-pants ; babies' napkin-pants; bacterial poisons; bacterial preparations for medical and veterinary use; bacteriological preparations for medical and veterinary use; balms for medical purposes; balsamic preparations for medical purposes; bandages for dressings; barks for pharmaceutical purposes; bath preparations for medical purposes; bath salts for medical purposes; belts for sanitary napkins ;bicarbonate of soda for pharmaceutical purposes; biocides; biological preparations for medical purposes; biological preparations for veterinary purposes; biological tissue cultures for medical purposes; biological tissue cultures for veterinary purposes; bismuth preparations for pharmaceutical purposes; bismuth subnitrate for pharmaceutical purposes; blood plasma; blood for medical purposes; bone cement for surgical and orthopaedic purposes ; bone cement for surgical and orthopedic purposes; bouillons for bacteriological cultures ; bacteriological culture mediums ; media for bacteriological cultures; breast-nursing pads; bromine for pharmaceutical purposes; bronchodilating preparations; bunion pads; by-products of the processing of cereals for dietetic or medical purposes; cachets for pharmaceutical purposes; cachou for pharmaceutical purposes; preparations for callouses; calomel ;fungicide ; camphor oil for medical purposes; camphor for medical purposes; candy, medicated; candy for medical purposes; capsules for medicines; parasiticide ; casein dietary supplements; castor oil for medical purposes; cattle washes ;insecticides ; caustic pencils; caustics for pharmaceutical purposes; cedar wood for use as an insect repellent; cellulose esters for pharmaceutical purposes; cellulose ethers for pharmaceutical purposes; cement for animal hooves; charcoal for pharmaceutical purposes; chemical conductors for electrocardiograph electrodes; chemical contraceptives; chemical preparations for the diagnosis of pregnancy; chemical preparations to treat mildew; chemical preparations to treat wheat blight; chemical preparations to treat wheat smut; chemical preparations for treating phylloxera; chemical preparations for pharmaceutical purposes; chemical preparations for medical purposes; chemical preparations for veterinary purposes; chemical reagents for medical or veterinary purposes; chemico-pharmaceutical preparations; chewing gum for medical purposes; chilblain preparations; chinoline for medical purposes; chloroform; cocaine; cod liver oil; collagen for medical purposes; collodion for pharmaceutical purposes; collyrium; compresses; condurango bark for medical purposes; solutions for contact lenses ; solutions for use with contact lenses; contact lens cleaning preparations; cooling sprays for medical purposes; corn rings for the feet; corn remedies; cotton for medical purposes; cotton swabs for medical purposes ; cotton sticks for medical purposes; cream of tartar for pharmaceutical purposes; creosote for pharmaceutical purposes; croton bark; cultures of microorganisms for medical or veterinary use; curare; decoctions for pharmaceutical purposes; dental abrasives; dental amalgams; dental cements; dental impression materials; dental lacquer; dental mastics; dental amalgams of gold; for clothing and textiles; depuratives; preparations for destroying noxious animals; preparations for destroying dry rot fungus; preparations for destroying mice; detergents for medical purposes; diabetic bread adapted for medical use; diagnostic preparations for medical purposes; diagnostic biomarker reagents for medical purposes; diagnostic preparations for veterinary purposes; diapers for pets; diastase for medical purposes; dietary fibre ; dietary fiber; dietary supplements for animals; dietetic foods adapted for medical purposes; dietetic beverages adapted for medical purposes; dietetic substances adapted for medical use; digestives for pharmaceutical purposes; digitalin; dill oil for medical purposes; disinfectant soap; disinfectants for hygiene purposes; disinfectants for chemical toilets; disinfectants; insecticides ; douching preparations for medical purposes; dressings, medical; drugs for medical purposes; elixirs ;pharmaceutical preparations ; enzyme preparations for medical purposes; enzyme preparations for veterinary purposes; enzyme dietary supplements; enzymes for medical purposes; enzymes for veterinary purposes; ergot for pharmaceutical purposes; esters for pharmaceutical purposes; ethers for pharmaceutical purposes; eucalyptol for pharmaceutical purposes; eucalyptus for pharmaceutical purposes; extracts of hops for pharmaceutical purposes; eyepatches for medical purposes; preparations to facilitate teething; febrifuges; fennel for medical purposes; ferments for pharmaceutical purposes; first-aid boxes, filled; fish meal for pharmaceutical purposes; flour for pharmaceutical purposes ; meal for pharmaceutical purposes; flowers of sulfur for pharmaceutical purposes; fly catching paper; fly glue ; fly catching adhesives; fly destroying preparations; food for babies; formic aldehyde for pharmaceutical purposes; "freeze-dried food adapted for medical purposes ; lyophilised food adapted for medical purposes ; lyophilized food adapted for medical purposes;" "freeze-dried meat adapted for medical purposes ; lyophilised meat adapted for medical purposes ; lyophilized meat adapted for medical purposes;" frostbite salve for pharmaceutical purposes; fumigating sticks ; fumigating pastilles; fumigation preparations for medical purposes; fungicides; gallic acid for pharmaceutical purposes; gamboge for medical purposes; gases for medical purposes; gauze for dressings; gelatine for medical purposes; gentian for pharmaceutical purposes; germicides; glucose for medical purposes; glucose dietary supplements; glycerine for medical purposes; glycerophosphates; greases for medical purposes; greases for veterinary purposes; guaiacol for pharmaceutical purposes; gum for medical purposes; gurjun ;gurjon, gurjan balsam for medical purposes; haematogen ; hematogen; haemoglobin ; hemoglobin; haemorrhoid preparations ; hemorrhoid preparations; haemostatic pencils ; hemostatic pencils; herbal teas for medicinal purposes; herbal extracts for medical purposes; herbicides ; preparations for destroying noxious plants ; weedkillers; homogenized food adapted for medical purposes ; homogenised food adapted for medical purposes; hormones for medical purposes; hydrastine; hydrastinine; hydrated chloral for pharmaceutical purposes; hydrogen peroxide for medical purposes; immunostimulants; infant formula; insect repellents; insect repellent incense; insecticidal animal shampoo; insecticidal veterinary washes; insecticides; iodides for pharmaceutical purposes; iodine for pharmaceutical purposes; iodoform; Irish moss for medical purposes; isotopes for medical purposes; jalap; jujube, medicated; lacteal flour for babies; larvae exterminating preparations; laxatives; Goulard water; lecithin for medical purposes; lecithin dietary supplements; leeches for medical purposes; lice treatment preparations ;pediculicides ; limebased pharmaceutical preparations; liniments; linseed for pharmaceutical purposes ; flaxseed for pharmaceutical purposes; linseed meal for pharmaceutical purposes ; flaxseed meal for pharmaceutical purposes; linseed dietary supplements ; flaxseed dietary supplements; linseed oil dietary supplements ; flaxseed oil dietary supplements; lint for medical purposes; liquorice for pharmaceutical purposes; lotions for pharmaceutical purposes; lotions for veterinary purposes; lupulin for pharmaceutical purposes; magnesia for pharmaceutical purposes; malt for pharmaceutical purposes; malted milk beverages for medical purposes; mangrove bark for pharmaceutical purposes; medical preparations for slimming purposes; medicated eyewashes; medicated animal feed; medicated dentifrices; medicated after-shave lotions; medicated shampoos; medicated toiletry preparations; medicated hair lotions; medicated dry shampoos; medicated shampoos for pets; medicated soap; medicinal alcohol; medicinal mud ; medicinal sediment ;medicinal infusions; medicinal tea; medicinal oils; medicinal herbs; medicinal roots; medicinal drinks; medicinal hair growth preparations; medicine cases, portable, filled; medicines for alleviating constipation; medicines for dental purposes; medicines for human purposes; medicines for veterinary purposes; melissa water for pharmaceutical purposes; menstruation bandages ; sanitary pads; menthol; mercurial ointments; preparations of microorganisms for medical or veterinary use; milk ferments for pharmaceutical purposes; milk sugar for pharmaceutical purposes ; lactose for pharmaceutical purposes; milking grease; mineral waters for medical purposes; mineral water salts; mineral food supplements; mint for pharmaceutical purposes; moleskin for medical purposes; mothproofing preparations; mothproofing paper ; mothproof paper; moulding wax for dentists ; molding wax for dentists; mouthwashes for medical purposes; mud for baths; mustard oil for medical purposes; mustard for pharmaceutical purposes; mustard plasters ; mustard poultices; myrobalan bark for pharmaceutical purposes; napkins for incontinents ; diapers for incontinents; narcotics; nervines; nutraceutical preparations for therapeutic or medical purposes; nutritional supplements; nutritive substances for microorganisms; oil of turpentine for pharmaceutical purposes; ointments for pharmaceutical purposes; opiates; opium; opodeldoc; opotherapy preparations ; organotherapy preparations; oxygen baths; oxygen for medical purposes; pants, absorbent, for incontinents; panty liners ; paper for mustard plasters ; paper for mustard poultices; parasiticides; pastilles for pharmaceutical purposes ; lozenges for pharmaceutical purposes; pearl powder for medical purposes; pectin for pharmaceutical purposes; pediculicidal shampoos; pepsins for pharmaceutical purposes; peptones for pharmaceutical purposes; pesticides; petroleum jelly for medical purposes; pharmaceutical preparations; pharmaceutical preparations for treating sunburn; pharmaceutical preparations for skin care; pharmaceutical preparations for treating dandruff; pharmaceuticals; phenol for pharmaceutical purposes; phosphates for pharmaceutical purposes; phytotherapy preparations for medical purposes; plant extracts for pharmaceutical purposes; poisons; pollen dietary supplements; pomades for medical purposes; porcelain for dental prostheses; potassium salts for medical purposes; poultices; powder of cantharides; powdered milk for babies; pre-filled syringes for medical purposes; propolis for pharmaceutical purposes; propolis dietary supplements; protein dietary supplements; protein supplements for animals; purgatives ; evacuants; pyrethrum powder; quassia for medical purposes; quebracho for medical purposes; quinine for medical purposes; quinquina for medical purposes ; cinchona for medical purposes; radioactive substances for medical purposes; radiological contrast substances for medical purposes; radium for medical purposes; rat poison; reagent paper for medical purposes; reagent paper for veterinary purposes; preparations for reducing sexual activity; remedies for foot perspiration; remedies for perspiration; repellents for dogs; rhubarb roots for pharmaceutical purposes; royal jelly for pharmaceutical purposes; royal jelly dietary supplements; rubber for dental purposes; salts for mineral water baths; salts for medical purposes; sanitary panties ; menstruation knickers ; sanitary knickers ; sanitary pants; sanitary tampons ; menstruation tampons; sanitary towels ; sanitary napkins; sarsaparilla for medical purposes; scapulars for surgical purposes; sea water for medicinal bathing; sedatives ; tranquillizers; semen for artificial insemination; serotherapeutic medicines; serums; personal sexual lubricants; sexual stimulant gels; drying agents for medical purposes; slimming pills; slug exterminating preparations; smelling salts; smoking herbs for medical purposes; sodium salts for medical purposes; soil-sterilising preparations; solvents for removing adhesive plasters; soporifics; starch for dietetic or pharmaceutical purposes; stem cells for medical purposes; stem cells for veterinary purposes; sterilising preparations; steroids; stick liquorice for pharmaceutical purposes; strychnine; styptic preparations; sugar for medical purposes; sulfonamides ;medicines ; disinfectants ; sunburn ointments; suppositories; surgical dressings; surgical implants comprised of living tissues; surgical glues; syrups for pharmaceutical purposes; tanning pills; tartar for pharmaceutical purposes; teeth filling material; therapeutic preparations for the bath; thermal water; thymol for pharmaceutical purposes; tincture of iodine; tinctures for medical purposes; tissues impregnated with pharmaceutical lotions; insecticides ; tobacco-free cigarettes for medical purposes; medicines ; preparations of trace elements for human and animal use; living tissues ; preparations for the treatment of burns; turpentine for pharmaceutical purposes; vaccines; vaginal washes for medical purposes; vermifuges ; anthelmintics; vermin destroying preparations; vesicants; veterinary preparations; vine disease treating chemicals; vitamin preparations; vulnerary sponges; wadding for medical purposes; wart pencils; wheat germ dietary supplements; yeast for pharmaceutical purposes; yeast dietary supplements

(2) abacuses; accelerometers; accumulators, acid hydrometers; acidimeters for batteries; conduits; acoustic couplers; actinometers; electrical adapters; adding machines; aerials ; antennas; aerometers; alarm bells, alcoholmeters; alidades; altimeters; ammeters; amplifiers; amplifying tubes ; amplifying valves; anemometers; animated cartoons; anode batteries ; high tension batteries; anodes; answering machines; anti-dazzle shades ; anti-glare visors; anti-glare glasses; anti-interference devices ; anticathodes; apertometers ;armatures ; asbestos gloves for protection against accidents; asbestos clothing for protection against fire; asbestos screens for firemen; apparatus and instruments for astronomy; audio- and videoreceivers; audio interfaces; audio mixers; audiovisual teaching apparatus; automated teller machines ;ATM ; azimuth instruments; baby monitors; baby scales; bags adapted for laptops ;steelyards ; lever scales ;steelyards ; steelyards ;lever scales ; bar code readers; barometers; bathroom scales; batteries, for vehicles ; accumulators, for vehicles; batteries for lighting; batteries, batteries for electronic cigarettes; battery jars ; battery boxes ; battery chargers; beacons, luminous;warning devices ; betatrons; binoculars; biochips; black boxes ;data recorders ; blueprint apparatus; branch boxes ; breathing apparatus for underwater swimming; breathing apparatus, except for artificial respiration; bullet-proof waistcoats ;vests (Am.) ; bullet-proof vests (Am.) ; bullet-proof waistcoats; bullet-proof clothing; buzzers; cabinets for loudspeakers; cables; calculating machines; calibrating rings; calipers; calorimeters; camcorders; cameras ; capillary tubes; carpenters' rules; photography ; cases especially made for photographic apparatus and instruments; cases for smartphones; cash registers; cassette players; cathodes; cathodic anti-corrosion apparatus; cell switches ; cell phone straps; centering apparatus for photographic transparencies; apparatus for changing record player needles; chargers for electric batteries; chargers for electronic cigarettes; charging stations for electric vehicles; apparatus to check franking ; apparatus to check stamping mail; chemistry apparatus and instruments; integrated circuits ; choking coils ; chromatography apparatus for laboratory use; time recording apparatus ; cinematographic cameras; cinematographic film, exposed; circuit closers; circuit breakers; circular slide rules; cleaning apparatus for phonograph records ; cleaning apparatus for sound recording discs; close-up lenses; clothing for protection against accidents, irradiation and fire; clothing for protection against fire ; garments for protection against fire; clothing especially made for laboratories; coaxial cables; coils, mechanisms for coin-operated apparatus; coin-operated mechanisms for television sets; collectors, electric apparatus for commutation; commutators; compact discs ;audio-video ; compact discs ; compact disc players; comparators; compasses for measuring; computer memory devices; computer programmes ;programs , recorded; computer keyboards; computer operating programs, recorded; computer peripheral devices; computer software, recorded; computer programs ;downloadable software ; computer game software; computer software applications, downloadable; computer hardware; computers; capacitors ; capacitors; conductors, connections for electric lines; contact lenses; contacts, containers for microscope slides; containers for contact lenses; control panels ;converters, copper wire, insulated; cordless telephones; correcting lenses ; cosmographic instruments; mechanisms for counter-operated apparatus; false coin detectors ; false coin detectors; couplings, covers for electric outlets; covers for smartphones; covers for personal digital assistants ; covers for tablet computers; crash test dummies; cupels ; current rectifiers; cyclotrons; darkroom lamps ; darkrooms ; decompression chambers; decorative magnets; demagnetizing apparatus for magnetic tapes; densimeters; densitometers; metal detectors for industrial or military purposes; detectors; dictating machines; diffraction apparatus ; digital photo frames; digital signs; digital weather stations; directional compasses; discharge tubes, other than for lighting ; electric discharge tubes, other than for lighting; disk drives for computers; disks, magnetic; distance measuring apparatus; distance recording apparatus ; apparatus for recording distance; distillation apparatus for scientific purposes; distribution boxes ; distribution boards ; distribution consoles ; divers' masks; diving suits; DNA chips; dog whistles; electric door bells; dosage dispensers ; dosimeters; downloadable ring tones for mobile phones; downloadable music files; downloadable image files; drainers for use in photography ; photographic racks; dressmakers' measures; drying apparatus for photographic prints; DVD players; dynamometers; ear plugs for divers; editing appliances for cinematographic films ; apparatus for editing cinematographic film; egg timers ;sandglasses ; hourglasses; egg-candlers; electricity conduits; wires, cables ; electrified rails for mounting spot lights; electrified fences; electro-dynamic apparatus for the remote control of railway points; electrodynamic apparatus for the remote control of signals; electrolysers; electromagnetic coils; electronic pens ;visual display units ; electronic agendas; electronic pocket translators; electronic tags for goods; electronic notice boards; electronic publications, downloadable; electronic book readers; electronic collars to train animals; electronic access control systems for interlocking doors; electric and electronic effects units for musical instruments; electronic interactive whiteboards; electronic key fobs being remote control apparatus; electronic sheet music, downloadable; encoded magnetic cards; encoded identification bracelets, magnetic; encoded key cards; epidiascopes; equalizers ;audio apparatus ;audio apparatus ; ergometers; exposure meters ;light meters ; eyepieces; instruments containing eyepieces; facsimile machines; apparatus for fermentation ;laboratory apparatus ; fiber (Am.) optic cables; film cutting apparatus; films, exposed; filters for respiratory masks; filters ;photography ; filters for ultraviolet rays, for photography; fire extinguishers; fire alarms; fire beaters; fire escapes; fire hose nozzles; fire engines; fire pumps; fire boats; fire blankets; fire hose; fire extinguishing apparatus; flash-bulbs ;photography ; luminous signals ; signalling lights ;floppy disks; flowmeters; fluorescent screens; fog signals, non-explosive; frames for photographic transparencies; frequency meters; furnaces for laboratory use ; ovens for laboratory use; furniture especially made for laboratories; fuse wire ; wire ; detectors ; galvanic cells; galvanic batteries; galvanometers; gasoline gauges ; petrol gauges; gasometers ;measuring instruments ; gauges; glazing apparatus for photographic prints; Global Positioning System ;GPS apparatus; gloves for protection against accidents; gloves for divers; gloves for protection against X-rays for industrial purposes; goggles for sports; grids for batteries; hands-free kits for telephones; head cleaning tapes ; head guards for sports; headphones; heliographic apparatus; hemline markers; holders for electric coils; holograms; horns for loudspeakers; humanoid robots with artificial intelligence; hydrometers; hygrometers; identification threads for electric wires; identification sheaths for electric wires; identity cards, magnetic; incubators for bacteria culture; automatic indicators of low pressure in vehicle tires ;automatic indicators of low pressure in vehicle tires ; automatic indicators of low pressure in vehicle tyres; inductors ; infrared detectors; integrated circuits; integrated circuit cards ;smart cards ; smart cards ;integrated circuit cards ; interactive touch screen terminals; intercommunication apparatus; interfaces for computers; inverters ;invoicing machines; ionizjoysticks for use with computers, other than for video games; juke boxes, musical ; coin-operated musical automata ;juke boxes ; juke boxes for computers; junction boxes ; junction sleeves for electric cables; knee-pads for workers; laboratory trays; laboratory centrifuges; lactodensimeters; lactometers; laptop computers; lens hoods; lenses for astrophotography; letter scales; levelling staffs ;surveying instruments ; surveying instruments ; levelling instruments; levels ;instruments for determining the horizontal ; life saving apparatus and equipment; life buoys; life jackets; life belts; life-saving rafts; life-saving capsules for natural disasters; light dimmers ;regulators , light regulators ;dimmers ;-emitting electronic pointers; light-emitting diodes ;LED ; lighting ballasts; lightning conductors ;lightning arresters ; lightning conductors; limiters ; electric loss indicators; loudspeakers; magic lanterns; magnetic tapes; magnetic wires; magnetic data media; magnetic encoders; magnetic tape units for computers; magnets; magnifying glasses ; marine compasses; marine depth finders; marking gauges ; marking buoys; masts for wireless aerials; mathematical instruments; appliances for measuring the thickness of leather; graduated glassware; apparatus for measuring the thickness of skins; measuring spoons; megaphones; memory cards for video game machines; meteorological balloons; meteorological instruments; metronomes; micrometer screws for optical instruments; micrometers ; micrometer gauges; microphones; microprocessors; microscopes; microtomes; milage recorders for vehicles ; kilometer recorders for vehicles; mirrors for inspecting work

Bois d'oeuvre de construction pour terrasses, clôtures, panneaux, revêtements extérieurs; boiseries de revêtement intérieur

Assiettes, bols, tasses et plateaux biodégradables et compostables; bouteilles d'eau vendues vides; bouteilles isolantes; boîtes à lunch; brosses à dents; cuillères de service; flacons isothermes; gourdes; gourdes pour voyageurs; grandes tasses; grandes tasses de voyage; grandes tasses à café; pailles pour boissons; tasses; tasses biodégradables; tasses et grandes tasses; tasses à café; tasses à thé

Fish hooks; fishing buoys for anglers; fishing creels; fishing flies; fishing floats; fishing fly boxes; fishing gaffs; fishing harnesses; fishing hooks; fishing line; fishing lure boxes; fishing lure spoons; fishing lures; fishing plugs; fishing rod cases; fishing rod holders; fishing tackle; fishing tackle bags; fishing tackle boxes; fishing thread for fishing jigs and streamers; fishing weights

Biodegradable body soap; biodegradable hand soaps; biodegradable shampoos

Cardboard packaging; cardboard packaging boxes in made-up form; packaging boxes of paper; packaging containers of regenerated cellulose

Articles of clothing for toys; baby toys; beach toys; chewable pet toys; childrens toy bicycles; clockwork toys of metal; construction toys, toy figures, toy vehicles and small toys; costumes for toys; cuddly toys; infant development toys; magnetic toys; non-digestible pet treats, bones and chews in the nature of pet toys; pet toys; remote-controlled toy vehicles; rubber toys; soft sculpture toys; squeeze toys; stress relief exercise toys; talking toys; throwable pet toys; toy air pistols; toy construction blocks; toy construction sets; toy cookware; toy doctor kits; toy masks; toy model hobby craft kits for constructing toy model landscapes, scenery, and action figures; toy telescopes; toy tiaras; toy tool sets; water squirting toys; wooden toys

Advertising agencies; advertising agency services; advertising and business management consultancy provided on-line from computer database or internet; business management and consulting services for the health care industry, namely, web-based advertising for veterinary practices; business management and consulting services for the health care industry, namely, web-based advertising services for veterinary practices; preparation and realization of media advertising for others being business cards

Cosmetics; Lipsticks; After-shave lotions; Bath salts, not for medical purposes; Beard dyes; Beauty masks; Breath freshening sprays; Collagen preparations for cosmetic purposes; Cosmetic preparations for skin care; Depilatory preparations; Face creams; Facial cleansers; Foam bath; Hair dyes; Hair lotions; Hair mousse; Hair spray; Hair tonic; Mustache wax; Oil baths for hair care; Oils for cosmetic purposes; Phytocosmetic preparations; Scented linen water; Shampoos; Shaving soap.

Commercial lighting fixtures

Filtre à matériaux pour l'industrie du traitement des eaux; oxydants chimiques pour l'épuration des eaux usées; produits chimiques destinés au traitement des eaux usées

Microbicides pour le traitement des eaux usées