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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.
electrical apparatus comprising protective relays, synchronizer check relays, motor protection relays, automatic synchronizers, tap changing transformer controls, motor bus transfer controls, phase angle telemetering instruments, suppressors, transducers, and electrical testing instruments