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.
hi-fi speakers, stereophonic and monaural head sets, and accessories for audio equipment-namely, adapter plugs, adapter jacks, adater phone plugs, microphones, head demagnetizers, phone plugs, phone jacks, alligator clips and ac-de converters