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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.
cabling system equipment for voice and data communications networks, namely, unequal flange racks, solid runways for cable support and auxiliary framing hardware therefor; wall mount buss bars, ground straps, ground bars and accessories therefor; wire-wrap terminal blocks and pre-terminated wire-wrap blocks; quick-connect wall and rack modules; cable runways and accessories therefor; modular jack panels and patch panels; and cable racks and parts therefor, all used for central office, building entrance or telecommunications room applications