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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.
manually-operated metal valves, metal couplings for gas or liquid piping, metal pipe couplings for use in food processing, biotechnological and medical machines and apparatus, metal pipe couplings for use in atomic and aerospace industries
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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.
valves, being parts of machines, for use in gas or liquid piping; semiconductor-manufacturing machines; parts for semiconductor-manufacturing machines, namely, heaters, pipes, valves
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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.
valves having a electronic actuator mounted thereon, mass-flow controllers for controlling pressure in the process of manufacturing semiconductors, mass-flow controllers for controlling flow rate in the process of manufacturing semiconductors
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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.
pipe couplings of resin
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20
Furniture, mirrors, picture frames; goods (not included in other classes) of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics
manually-operated plastic valves