Bacterial preparations, other than for medical and veterinary use; bacteriological preparations, other than for medical and veterinary use; bromine for chemical purposes; hydrogen; hypochlorite of soda; diagnostic preparations, other than for medical or veterinary purposes; diatomaceous earth; test paper, chemical; reagent paper, other than for medical or veterinary purposes; ion exchangers [chemicals]; ceramic materials in particulate form, for use as filtering media; oxygen for industrial purposes; benzene-based acids; acids; kieselgur; glue for industrial purposes; adhesives for wall tiles; adhesives for industrial purposes; krypton; litmus paper; citric acid for industrial purposes; formic acid; persulfuric acid; hydrogen peroxide for industrial purposes; descaling preparations, other than for household purposes; water-softening preparations; anti-incrustants; spirits of salt; degumming preparations; sulfuric acid; salts [chemical preparations]; salt for preserving, other than for foodstuffs; calcium salts; salts of alkaline metals; salts for industrial purposes; sodium salts [chemical compounds]; hydrochloric acid; copper sulfate [blue vitriol]; filtering materials of mineral substances; filtering materials of unprocessed plastics; filtering materials of vegetable substances; filtering materials of chemical substances; filtering materials of chemical substances; flocculants; damp-proofing chemicals, except paints, for masonry; water-purifying chemicals; cement-waterproofing chemicals, except paints; disincrustants; chlorine; chlorides

Ionization apparatus for the treatment of air or water; whirlpool-jet apparatus; water filtering apparatus; swimming pool chlorinating apparatus; water softening apparatus and installations; lighting apparatus and installations; hydromassage bath apparatus; bath tubs; water conduits installations; water-pipes for sanitary installations; water intake apparatus; water heaters; water purification installations; water purifying apparatus and machines; water supply installations; water flushing installations; microbubble generators for baths; disinfectant apparatus; ornamental fountains; showers; level controlling valves in tanks; taps for pipes and pipelines; mixer taps for water pipes; taps; lamps; electric lamps; lamp chimneys; lanterns for lighting; heating elements; heaters for baths; hot air bath fittings; light-emitting diodes [LED] lighting apparatus; air dryers; steam boilers, other than parts of machines; sockets for electric lights; diving lights; lamp globes; searchlights; washers for water taps; regulating accessories for water or gas apparatus and pipes; regulating and safety accessories for water apparatus; lamp reflectors; sanitary apparatus and installations; bath plumbing fixtures; bath fittings; light diffusers; bath tubs for sitz baths; water sterilizers; heat pumps; heat exchangers, other than parts of machines; pipes [parts of sanitary installations]; ultraviolet ray lamps, not for medical purposes; bath installations; cooling installations for water; water distribution installations; sauna bath installations; filters for drinking water; fountains