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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.
telecommunication power and transmission equipment, namely, electrical power distribution units consisting of circuits designed to channel and monitor current flow to various attached devices, and to protect those devices using circuit breakers and/or electrical fuses; ac and dc electrical power supplies; electrical fuse alarm panels for ac and dc power distribution; ac and dc power adapters; uninterruptable/battery back-up electrical power supplies; monitoring and alarm reporting systems comprised of electrical circuits designed to detect and report alarm conditions in telecommunications systems; radio frequency devices, namely, cavity filters, multicouplers, and combiners; telecommunications cable and equipment racks; connectorized electrical, computer, coaxial, and radio frequency cables; electrical and electro-mechanical circuit breakers and fuses; electrical circuits and computer hardware for monitoring and reporting the status of circuit breakers and fuses