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.
audiometers, psychogalvanometers, recording attenuators, pulse and noise generators, shock generators, test chambers, response converters, group hearing aids, and counting, recording and read-out equipment for psychoacoustic apparatus, audiometric testing and auditory training equipment, and behavioral research apparatus