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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 and home theater systems consisting of speakers, wall and ceiling home theater speakers, two-way indoor/outdoor speakers, channel speakers, subwoofers, tweeters, wireless receivers, infrared receivers, audio/video amplifiers, booster units, and volume controls, infrared repeating systems for use in audio and video systems, consisting of infrared receivers, emitters, power supplies and connectors