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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.
audio equipment for use in vehicles, namely, loudspeakers, amplifiers, sound equalizers, crossovers, subwoofers, and speaker enclosures; audio equipment for use at home, namely, amplifiers, audio mixers, loudspeakers, wireless loudspeakers, all-weather loudspeakers, and audio cable; audio equipment for commercial use, namely, loudspeakers, amplifiers, intercoms, compression drivers, acoustic baffles, power supplies and sound-masking speakers