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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.
grinding media balls that are used to process powder, fuel injectors, connecting rods, electronic ignitions, bearings for agricultural machines, compressors, condensers for ignition parts, grinding wheels, grindstones, mixing machines, pumps for non-land vehicle engines, valves and connecting rods for agricultural machines, ceramic extrusion dies, ceramic rock and ore crushers, ceramic cylinder liners, ceramic conveyor bed liners, ceramic pulleys and draw blocks, ceramic grinding mill liners, ceramic pump plungers, ceramic pistons; ceramic valves and valve parts being parts of machines, namely, fluid handling equipment; machine parts, namely, bearings and bushings, bits for machines, ceramic rotary pumps, ceramic nozzles, and ceramic wear tiles for impellers and fans for abrasive fluids
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8
Hand tools and implements (hand-operated); cutlery; side arms; razors.
mortars and pestles, non-power operated knife sharpeners
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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.
ceramic substrates for circuits and components, ceramic bodies with metalized conductor patterns, thermocouple tubes
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
kiln refractories and refractory diffusion furnaces
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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.
non-metal mechanical seals, ceramic electrical insulators, ceramic pipe insulation for industrial and commercial use, pipe muffs and insulating sleeves for power lines
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19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
refractory bricks, ceramic tiles for use in casting