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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.
electrical distribution equipment, that is, electrical equipment ordinarily used within a building to distribute, and to control the distribution of, the electric power utilized therein; electrical control equipment, that is, electrical equipment for controlling electric motors arranged to drive machinery and for controlling other industrial electric power utilization equipment; adjustable speed drives comprising a motor and speed control equipment therefor; and electromagnets used for lifting, separation, and road-sweepin