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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.
gage blocks, angle gage blocks, thread gages, american petroleum institute thread gages, plug gages, bar gages, snap gages, ring gages, taper gages, spline gages, serration gages, gage block parts, sine bars, test mandrels, electric comparators, mechanical comparators and gage block accessories-namely, holders, base blocks, cylindrical jaws, flat jaws, scribing points, center points, and triangular straight edges