6
Metal building materials; transportable buildings of metal; goods of common metal (included in class 6); metal tubes; composite and multilayered pipes, consisting mainly of metal and plastic; floor-heating pipes of metal; connectors, branch pieces and junctions of metal; containers (tanks), transport containers, industrial packaging, the aforesaid goods of metal, packaging containers of metal; valves of metal (other than parts of machines); storage containers of sheet metal, in particular heating oil containers; boiler substructures in the form of transportable bases of sheet steel
7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); nozzles; fittings for engine boilers
9
Measuring, signalling and checking (supervision) instruments for sanitary, heating and air-conditioning apparatus and installations
11
Apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; solar collectors; floor-heating systems; flat and pipe collectors; solar furnaces; solar storage equipment; heat pumps; heat accumulators; heat exchangers; taps and fittings; draw-off taps, namely level regulating valves for containers; heating pipes and fittings for floor-heating apparatus; shower enclosures; bath tubs and shower trays of plastic and accessories therefor, namley fittings, ventilators
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and included in class 17; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal; insulating fittings
19
Building materials (non-metallic); non-metallic rigid pipes for building; non-metallic transportable buildings; floor-heating pipes (not of metal), composite and multilayered pipes of plastic; boiler substructures in the form of transportable bases of plastic
20
Containers (tanks), transport containers; industrial packaging, the aforesaid goods not of metal and not of masonry, packaging containers of plastic; closures, not of metal, for containers; valves, not of metal, other than parts of machines; storage containers of plastic, in particular heating oil containers
37
Building construction; repair; installation services; repair and maintenance of sanitary installations