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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.
volt-ohm-meters, signal generators, voltmeters, transducers for measuring pressures and other scientific applications, measuring and scientific data-handling systems, tape-recorders for scientific purposes, power supplies for measuring and scientific appliances,r-f wattmeters, standing wave ratio indicators, accelerometers, and parts thereof for replacement and repair