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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.
optical microscopes and instruments, namely, microscopes, [ stereoscopes for aerial reconnaissance, keratometers and vertometers ] and telescopes; image forming zoom lenses and [ cameras, ] microscopes,[ stereoscopes, keratometers, vertometers ] and telescopes incorporating image forming zoom lenses; cameras, microscopes, [ stereoscopes, keratometers, vertometers ] and telescopes for sending an image to a camera or eye pieces; microscope accessories comprised of illuminators, video couplers and image forming lenses for close circuit tv cameras, zoom relay systems, namely, image forming zoom lenses which minify or magnify an image formed earlier by another optical device; objective and relay lens systems, namely, objective lenses and relay lenses for focusing images on a sensor