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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.
construction materials-namely, [ caulking, ] filling, and sealing coatings; [ compounds and tapes for filling and sealing cnstruction work; ] structural and decorative panels and partitions of glass, metal, [ wood ] and other materials; panel constructions, curtain walls, store fronts, and the like, including frames, moldings and supporting elements therefor; single and multiple glazed windows and doors, frames and other components thereof [; air transfer ducts and duct liners; fiber glass insulation, and the like ]
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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.
construction materials-namely, [ caulking, ] filling, and sealing coatings; [ compounds and tapes for filling and sealing cnstruction work; ] structural and decorative panels and partitions of glass, metal, [ wood ] and other materials; panel constructions, curtain walls, store fronts, and the like, including frames, moldings and supporting elements therefor; single and multiple glazed windows and doors, frames and other components thereof [; air transfer ducts and duct liners; fiber glass insulation, and the like ]
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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.
construction materials-namely, [ caulking, ] filling, and sealing coatings; [ compounds and tapes for filling and sealing cnstruction work; ] structural and decorative panels and partitions of glass, metal, [ wood ] and other materials; panel constructions, curtain walls, store fronts, and the like, including frames, moldings and supporting elements therefor; single and multiple glazed windows and doors, frames and other components thereof [; air transfer ducts and duct liners; fiber glass insulation, and the like ]