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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.
fiber optic equipment, namely laser transmitters, fiber optic receivers, rack mounted optical receivers, fiber detector cards, return video lasers, return data lasers and return video detectors; rf signal distribution equipment, namely amplifiers, line extenders, bridger amplifiers, continuity modules, diplex filters, automatic level and slope control modules, reverse amplifiers, bridger output plug-ins, equalizers, pads, cable equivalent plug-ins, reverse equalizers, torque wrenches, test probes, rf terminators, switching power supplies, power distribution boards, input modules, output modules, trunk housings, taps and passives