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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.
alarm bells, electric; burglar alarms; electric locks; fire alarms; sirens; smoke alarms; sound alarms; whistle alarms; electronic door alarms; electronic warning bells; fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; home and office electrical power automation systems comprising wireless and wired controllers, controlled devices, and downloadable software for appliances, lighting, hvac, security and other home and office electrical power monitoring and control applications