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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.
metal roof flashings; metal hangers and support brackets for pipes
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
plumbing fittings and fixtures, namely, valves, water hammer arresters, gas and water valve outlet boxes, washing machine valve outlet boxes, ice maker valve outlet boxes, dishwasher valve outlet boxes, toilet valve connection boxes, sink valve and drain connection boxes, outlet box faceplates, water closet flanges, water closet flange extension rings, water closet gaskets, water heater pans, washing machine pans, shower pan liners, bathtub trap and drain boxes, bathtub protectors, non-metallic roof flashing, and non-metallic rain collars for plumbing vent pipes
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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.
non-metal insulating sleeves for protecting pipe in concrete
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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.
plastic pipe fittings and hangers, namely, hangers, straps, clamps, and clasps for securing plumbing pipes