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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.
home and business security systems comprising electrical, mechanical and electronic alarms, fire and smoke detectors, automatic lighting, appliance and timing controls, open and closed circuit monitors, switches and sensors, electric magnetic contacts, relays, transmitters, receivers and processors of electronic signals