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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.
pneumatic conveyors
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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.
electric process controllers for air pollution control equipment and pneumatic conveyors
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
air pollution control equipment for commercial and industrial use, namely, high efficiency particulate air filter units, electric centrifugal fans, cartridge air filter units, cyclone separators/ collectors, mechanical diverter valves used in the aforesaid equipment, air flow units, fabric air filter baghouses, positive displacement blowers, replacement cartridge air filter elements and high efficiency particulate air filter elements, replacement air filter bags and cages, rotary air locks, and mechanical scale hoppers