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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 electronic equipment, electronic speaker parts and audio speaker systems, namely, loudspeakers, audio speakers, woofers, subwoofers, audio mixers, tweeters, pre-amplifiers, and acoustic power amplifiers; speaker enclousres, namely, loudspeaker, cabinets, speaker housings, and outdoor speakers; electric audio playback units with lights and speakers, racks for amplifiers, racks for speakers, mounting assemblies for speakers, namely, mounting frames, fasteners, and speaker housings; electro-mechanical audio speaker transducers and audio speakers designed to produce sound; sound and recording equipment, namely, speakers, outdoor speakers, microphones, mixing boards, music and sound signal amplifiers, and digital processors for providing live and recorded sound for commercial and home applications; and printed data sheets, application notes, and users manuals supplied therewith as a unit