Description
Class E03C : DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER
Subclass 1/122: Domestic plumbing installations for fresh water or waste water; Sinks Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F 5/04); Sinks Pipe-line systems for waste water in buildings (pipe-line systems in general F17D)