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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.
television monitors; cathode ray tube displays; cathode ray tube display test sets; integrated systems management control panels; cathode ray tube display optical filters; tactical display plotters; computerized aircraft armament controllers; digital data indicators for aircraft command and control systems; firing control unit for electrically operated aircraft guns; radio frequency telemetry apparatus -namely, receivers, tuners, if filters, video filters, mf discriminators, fm demodulators, record and playback apparatus, signal spectrum display unit, tracking receivers, pre-detection and post-detection signal combiners, signal analyzers, visual display spectrum analyzers, oscillators, translators, signal driver units, analog-digital converters, signal delay units, mixer amplifiers, data insertion converters, doppler extraction units, and test signal generators; throttle lever assemblies for ships; and parts therefor