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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.
security devices, namely, burglar alarms, fire alarms, supervisory alarms and security alarms, electric protection equipment, namely fire alarm boxes, fire detecting and alarm devices, namely, photoelectric smoke detectors, photoelectric heat smoke detectors, and smoke bases, sprinkler supervisory and water flow alarm devices, namely, vane type waterflow alarm switches, outside screw and yoke valve supervisory switches, control valve supervisory switches, and pressure type waterflow alarm/supervisory switches, intruder alarm apparatus, namely, safe contacts, hold-up buttons, hold-up rails, and garage door switches, and vault alarm devices, namely, electronic vibration detector systems, high security contact switches, and vault sound alarm systems