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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.
testing instruments for hydraulic systems incorporating flow meters and pressure gauges, pressure gauges, flow meters, tachometers, liquid level gauges, magnets, pressure relief filler caps for tanks and reservoirs and pressure reducing diffusers for hydraulic systems