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; radio-broadcasting receivers, television sets, video monitors, microphones, loudspeakers, headphones, earphones, mini audio systems, audio/video amplifiers, recorders and players of optical discs, compact disc players/recorders, digital video (versatile) disc players, hard disc recorders, video cameras, video projectors, video screens, audio mixers, audio signal processors, audio/video receivers, personal computers, computer software, CD-R/RW drives, hard disc drives, routers, electronic integrated circuits, large scale integration chips