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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.
data communication products, namely, modems, modem eliminators, multiplexers, modem sharers, printer sharers, port sharers, synchronous interface converters, asynchronous-to-synchronous converters, serial/parallel converters, interface converters, fiber optic converters, data compressors - namely, data communication equipment connected between computers and modems to compress data, carrier control simulators, terminal adaptors, tail end adaptors, power supply adaptors, lightnng arrestors, loop generators, data/voice separators, spoolers, remote access switches, trunk accessers and diagnostic testing apparatuses for use with the above