Sanitary apparatus and installations, particularly complete or adjustable sanitary apparatus and installations, namely, bathtubs, showers, toilets, bidets, sinks, spas in the nature of heated pools and steam rooms; complete toilets and adjustable toilet seats; systems for toilets with hidable (fittable) or visible flushes, namely, automatic flush valve for toilets; water conduits installations, namely, flexible pipes being parts of bath plumbing installations; faucets and valves for sanitary ...