Sanitary apparatus and installations, namely, bathtubs, bidets, hot tubs, hot water heaters, hot water tanks, kitchen sinks, lavatories, laboratory bowls, lavatory seats, portable toilets, portable urinals for outdoor activities, showers, sinks, sitz baths, toilet bowls, toilet seats, toilet tanks, toilets, urinals, water closets, whirlpool baths, bath tub with hydromassage; plumbing fittings for sanitary installations in the field of water drainage, namely, couplings, flow control cocks and tap fittings, siphons, vent caps for drainage systems, vacuum-breaker valves for drainage systems and regulation articles in the field of water drainage, namely, taps, control valves for showers, control valves for bathtubs, tap filters, spouts, valve taps, sink filters, traps, valves, sink traps, shower handset for sinks, showers; pipes being parts of sanitary facilities in the field of bathrooms and public baths; and component replacement parts for the aforementioned goods