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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.
wireless call system comprised of a central computer, wireless receiver, non-locating repeater, locating repeater, wall switch, fixed call transmitter, wireless smoke detector, universal transmitter, guard tour transmitter, directory transmitter, alpha-numeric display and universal transmitter with magnetic switch for use in the healthcare industry