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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.
computerized sound system, comprising computer software for use in communications for connecting computer network users and for use in paging systems, audio components, namely, audio amplifiers and audio mixers, visual display components, namely, visual display monitors, keyboard and microphone interfaces for use in paging, broadcasting, and displaying messages and other information throughout a facility, and user manuals sold as a unit therewith