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.
acoustic couplers; acoustic couplers; acoustic membranes; audio-receivers and video-receivers; batteries, electric; megaphones; microphones; recording and playing devices for sound and image carriers; sound transmitting apparatus; wire connectors; filters for radio interference suppression