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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.
electronic equipment, namely, liquid crystal display monitors, 12-channel emergency alert systems, modulators and demodulators for cable television systems, frequency modulation stereo modulators, stereo encoders, digital satellite receivers, high definition television channel processors, digital upconverters, audio/video signal processors, single channel ultra high frequency to very high frequency converters; modular chassis for removable cable-signal modulators, demodulators and power supply modules; electric power supply units, audio/video mini-modulators and mini-demodulators, amplifiers; single channel elimination filters for cable-signal modulators to add programming, eliminate disruptive carriers and improve picture quality; single channel band-pass filters for use with single channel amplifiers to eliminate cross modulation, overload distortion and unwanted images; signal combiners in the nature of electronic combiners for connecting antennas and receivers; satellite distribution systems comprised of satellite receivers, satellite processors, satellite dishes, and satellite multi-switches; racks for loudspeakers, component parts of racks for loudspeakers, namely, rack shelves, rack faceplates; and rack adaptor kits for electronic audio and video rack-mountable equipment, said kits comprising audio- and video-signal modulators, demodulators, amplifiers, signal combiners, multi-switches, channel processors, satellite receivers and filters