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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.
electronic recording apparatus for geophysical prospecting, namely, a recording system for recording the data output from seismic sensors consisting of computers, computer peripherals, software for operating the recording system, electrical cables, electrical equipment for acquiring and transmitting seismic data, and related power supplies