6 Metal structures for swimming pools, tanks of metal, plugs of metal, pipes and tubes of metal, duckboards of metal, ladders of metal, swimming pools of metal.
7 Water-purifying machines, pumps (machinery for swimming pools), motor-driven power components for creating water turbulence in bath tubs and swimming pools; automatic apparatus for cleaning swimming pools; filtering machines and cartridges therefor.
9 Water level and temperature indicators and regulators for swimming pools, safety ladders, floats for bathing and swimming, corks (float lines), distribution boards (electricity), dosimeters, relays, electric, projection apparatus, scientific checking (supervision) and life-saving apparatus and instruments, data processing equipment and computers.
11 Apparatus for water supply and sanitary purposes and, in particular, regulating and safety accessories for water apparatus and pipes, water intake apparatus, water softening apparatus and installations, water filtering apparatus, water purifying apparatus (except machines), hydrants, water heating and cooling apparatus, water flushing apparatus, water sterilising and purifying apparatus, apparatus for water supply, low-pressure water tanks, filters for drinking water, bath tubs, bath linings; lighting projectors, in particular underwater; showers; drains; skimmers.
20 Furniture, goods (not included in other classes) of wood, cork, reed, cane, wicker, horn; bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics and, in particular water-pipe valves of plastic and garden furniture; ladders, handrails and handles of plastics; podiums, diving boards, diving platforms and water chutes of plastics.
40 Treatment of materials, in particular treatment of water for swimming pools and bath tubs.