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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.
power operated cylinder deglazing hones
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8
Hand tools and implements (hand-operated); cutlery; side arms; razors.
wrenches, sockets and attachments, pliers, nippers, [ snips; ] hand operated tools having relatively movable jaws for cutting, gripping and engaging work; hammers, chisels, [ files and handles ] therefor; torque wrenches, screwdrivers, wire insulation stripping tools, and special purpose hand tools-namely, [ tool starters, ] punches, [ pry bars, ] pinch bars, [ pullers, hand operated metal cutting tools, ] screw extractors, carbon scrapers [ , putty knives, restorer taps, brake service tools, battery terminal cleaning tools incorporating brushes, refrigeration and air conditioning tool sets, shop knives, magnetic pick up tools, hand operated wire wrapping and unwrapping tools and spark plug gapping 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.
feeler gauges, spark testers, and rules
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21
Household or kitchen utensils and containers; combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steelwool; unworked or semi-worked glass (except glass used in building); glassware, porcelain and earthenware not included in other classes.
wire brushes