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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.
power unit, namely, electrical power supply boxes for audio and video products and electrical power supply boxes, with noise-canceling circuitry, for audio and video products; electrical power supply cables for audio and video products; electronic large screen image display units; loudspeakers; racks for loud speakers; electronic machines, apparatus and their parts, namely, stands specially adapted for stereos and audio speakers and sound absorption panels specially adapted for enhancing sound from audio speakers