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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.
valves for compressible and incompressible fluids-namely, check valves, safety valves, relief valves, time delay valves, selector valves, control valves, pilot valves and mixing valves; fluid pressure regulators including pressure regulators for gases and liquids and parts therefor
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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.
lubricators for air-operated equipment and parts thereof, automatic drains for liquids, liquid fill devices and spray and blow guns
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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.
fluid control elements and fluidic devices-namely, pressure signal generators fluid pressure sensors, pressure amplifier boosters, pressure indicators and fluidic modules, and gauges
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
filters for pneumatic and hydraulic systems including air, gas and oil removal filters and parts therefor
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
driers for pneumatic systems including air and gas driers and parts therefor, and air vents