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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.
systems for testing the fatigue life and endurance of materials and products which are subjected to mechanical stresses and loading, comprised of computer hardware, printed circuit boards for control and data acquisition, computer software, and mechanical testing apparatus consisting of measurement transducers, and hydraulic, pneumatic or electric actuators and reaction frames