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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.
x-ray optical devices, namely, x-ray reflectors, x-ray lenses, x-ray diffractors, x-ray multilayer reflection and defraction surfaces, x-ray crystal reflection and defraction surfaces, x-ray diffractometers, x-ray analysers, and x-ray spectoscopy equipment comprised of and x-ray source, a sample stage, optics, and an x-ray detector, x-ray sources comprised of an x-ray source tube, optics, and collection optics, and kirkpatrick-baez lens system comprised of two or more multilayer reflecting lens elements not for medical use