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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.
signal generators, modulation meters, centralized signal generators, audio oscillators, distortion meters, wow flutter meters, wave analyzers, video tape recorder jitter meters, phase meters, q meters mini-current ohmmeters, noise meters, voltmeters, oscilloscopes, digital multimeters, spectrum analyzers, logic analyzers, digital lcr meters for measuring inductance, electrostatic capacitance and resistance, automatic measuring systems, namely, any one or more of the above mentioned measuring units sold in combination