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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.
commercial, industrial and residential security and monitoring systems including (a) burglar alarm systems, fire alarm systems and health emergency communications systems, and (b) process monitoring alarm sensors, switches, audible alarms, signal transmitters, signal receivers, telephone dialers, visual alarms, conductive foil and auxiliary power means and (c) components of the foregoing-namely, (i) electrical or electronic switches, (ii) position, pressure, light or thermal sensors, (iii) electrical or electronic controllers, (iv) sirens, and (v) electrical or electronic communications processes