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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.
microphones, receivers, namely audio receivers, video receivers and stereo receivers, transmitters, namely audio transmitters, radio transmitters, public address amplifiers, audio amplifiers, car amplifiers, radio receivers and tuners, equalizers, audio tape players and recorders, megaphones, horn speakers, speakers, namely, audio speakers and loudspeakers; discussion system comprising of microphones, audio speakers and loudspeakers, amplifiers, booster units, electrical cables, power supplies and parts for all of the above