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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.
amplifiers, pre-amplifiers, musical instrument amplifiers and components therefor, namely, audio speakers, speaker cabinets, speaker enclosures, sound processing and modifying devices, namely, delay, reverb and distortion effect units for the purpose of modifying sound