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6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
plumbing connectors, hoses and supply lines, namely, metal hoses for plumbing use, metal hose fittings, pipe tubes of metal, and metal pipe connectors
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
plumbing connectors, hoses and supply lines, namely, flexible pipes being parts of basin, sink, tub or shower installations, plumbing fittings, namely, bibbs, cocks, traps and valves
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17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
plumbing connectors, hoses and supply lines, namely, flexible plastic pipes for plumbing purposes, non-metal junctions for pipes, non-metal pipe couplings and joints, non-metallic hoses and flexible pipes, fittings, not of metal, for rigid pipes, junctions, not of metal, for pipes, non-metal pipe jackets and muffs
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19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
rigid plastic plumbing pipes; water, drain and sewer pipes made of plastic