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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.
electronic equipment, namely, headphones, microphones, public address systems and instruments, protective covers and cases for public address systems, personal computers, tablet computers, computer peripherals, protective covers and cases for tablet computers, document cameras, classroom audio systems comprising audio speakers, audio amplifiers, microphone stands, speaker stands, speaker boxes, sound mixers, microphone cables, speaker cables, audio cables, computer cables, and video cables