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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.
[ non-electric cables and wires of common metal; ] pipes and tubes of metal; metal hardware; namely, brackets, supports, collars, unions, hose clips, flanges, and couplings
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7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
motors for antipollution machinery; [ steam generators; machine parts; namely, belts and couplings ]
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9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
[ fire extinguishers; sensors for particulates and chemicals and control panels for use with antipollution machinery ]
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
environmental control machines for aspiration, suction, filtration, ventilation and rinsing of pollutants, for use in commercial and industrial settings; ventilation fans for commercial and industrial use
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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.
[ plastic in extruded form in the form of rods and sheets, both for use in further manufacture of finished goods; leak seals and sound and vibration insulators for environmental control machines; ] flexible pipes not of metal, for antipollution use