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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.
nondestructive testing equipment-namely, magnetic particle test units; eddy currant test units; penetrant test equipment-namely, wash tanks, penetrant tanks, drain stations, demulsifier tanks, wash stations, wet developer tanks, dry developer applicators, drying ovens, inspection stations and black light assemblies; radiographic test units; metal coating thickness test units; and ultrasonic test units and structural parts for all of the foregoing equipment