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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.
stereo and audio amplifiers, surround sound speakers, audio and video cables and speaker wires, electronic transmitters and receivers for audio and video transmission, television mounts and stands, speaker mounts and stands, audio and video adaptors and converters, termination tools and connectors, bulk wires, power supplies, power cords and cables, power strips and electric plugs; surveillance and security products and systems, namely, cameras, integrated circuits, video and power cables, camera bases, monitors, microphones, installation tools, power supplies and connectors, video surveillance dvrs and nvrs and security wires; infrared repeating systems for use in audio and video systems, consisting of infrared receivers, infrared emitters, infrared emitter covers, power supplies and connectors