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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.
modular apparatus for position equipments comprising of laser emission apparatus, optical benches, photo-reduction benches, micrometric stop, remote-control box, optical structural components, display counter, iris diaphragms, laboratory elevators, lenses, telescopic sights, microscopes, optical mirrors, microscopes lenses, eyepieces, prisms, optical sorting apparatus, mask alignment apparatus, electrical welding apparatus, laser adjusting apparatus, mask comparators, and u.v. solar insulators laser positioning apparatus