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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.
hydraulic couplings, hydraulic swivels, 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.
hydraulic accumulators, hydraulic brake valves for aircraft, hydraulic and pneumatic valves for machinery, hydraulic dampers, hydraulic power packs, hydraulic actuators, hydraulic manifolds, hydraulic reservoirs, hand pumps for hydraulics, and parts therefor
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8
Hand tools and implements (hand-operated); cutlery; side arms; razors.
hand tools for assembly and disassembly of aircraft hydraulic and pneumatic equipment and parts therefor
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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.
potentiometers and solenoid valves, testing equipment-namely, torque and load fixtures for hydraulic and pneumatic hardware, and parts therefor
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12
Vehicles; apparatus for locomotion by land, air or water.
shock absorbers and landing gears for aircraft; aircraft hydraulic steering system components-namely, valves, linear and rotary mechanical actuators and mechanical and electro-mechanical servo-mechanisms; hydraulic servo flight controls comprised of valves, actuators and hydraulic, mechanical, and electro-mechanical feedback mechanisms for ailerons, spoilers, rudders, leading edge slats and flaps and canards surfaces, and parts therefor