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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.
degreasing and cleaning tanks for engine and machine parts, special purpose automotive parts holders, and cradles and benches for holding parts being worked on, all made of metal
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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.
bore boss machines, brake lathes, manual and air-over hydraulic presses, rotary broach machines, valve and valve seat grinders, engine head surface grinders, crank shaft grinders, glass bead cleaning machines, shot blasting cleaning machines, flywheel grinders, head tumblers, valve resurfacers, honing machines, crank shaft straighteners, cam bearing drivers, valve guide knurling machines, valve seat pullers, valve seat compressors, and welding machines
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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.
engine head pressure testers, engine part balancing machines, and crack detector kits for ferrous metal parts, comprising a magnet and container containing iron powder