Apparatus for lighting, heating, refrigerating, drying, ventilating, water supply and sanitary purposes, also for use in the kitchen, namely, electric lighting fixtures; sanitary fittings, fixtures and fittings for water supply, water heating, bath, shower, washing, rinsing, bidet and toilet installations, and for the water intake and flushing of these installations, namely, faucets, faucet sprayers, and taps, mixer taps for hot and cold water, hot water/cold water mixer faucets for water pip...