9
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.
infrared cordless headphone, stereo headphones for cd players, medium size headphone for personal stereo tape and radio players, headset for classroom & telecommunication headphone, open air classical headphone, stereo receiver, stereo/extension transmitter, loudspeaker, control boxes for headphone, 2-way plug for headphone, tv/vcr stereo sound simulator, plug adaptors for headphone