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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 and optical communications instruments and components; namely, optical transmitters, optical receivers, optical data links, optical transceivers, cable television transmitters, digital transmitters, and [ communication link testers for testing communication links; ] telecommunications hardware, namely, optical isolators, [ optical circulators, polarization beam splitters, and polarization beam combiners; computer hardware and software for the management, analysis, troubleshooting, measuring and monitoring of storage area networks (san) and computer networks; software for developing, debugging, analyzing, and monitoring computer networks and communication networks, namely, electronic, voice, and data communication networks ]