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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 pipes end connectors, couplings, and ball vaives
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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.
vacuum cleaners; valves, namely mechanical, manually and foot-operated, air controlled and electromagnetically controlled distributing, flow control, check, pressure, control, and continuous valves; cylinder switches, pressure switches, shock absorbers, pressure intensifiers; pneumatic, electro-pneumatic, and stored program control units; pneumatic and compressed air preparation units, also as modular units, and components thereof, especially for dispensing, packaging, driving, shutting off, working, processing, metering, retracting and extending, conveying, raising, checking, mixing, mounting, regulating, switching, lowering pivoting, securing, controlling transporting, monitoring, packaging and blocking; metal fittings for shutting off, controlling, switching, and regulating compressed air, liquids, gasses, vapors, water, oil, lubricants, and fuels; compressed air processing and maintenance devices, namely filters, controllers, oilers, steam traps; pneumatic and compressed air preparation units, also as modular units, and components thereof, for machine construction; pneumatic cylinders, namely cylinders having pistons with and without rods, bellows cylinder, rotary drives and pneumatic motors; air vessels; rotary indexing tables for machine tools
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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.
sensors and monitoring devices, measuring and checking devices, counters, time function elements, indicators; safety and servicing devices
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
dryers for gases
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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.
line connections, namely plastic hoses; sound absorbers
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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
non-metal threaded fasteners