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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.
scientific optical equipment, namely, laser cavities, laser crystals, thin film dielectric coatings for use in the manufacture of scientific optical equipment, polarization components, namely, thin film polarizers, waveplates, polarization rotators, birefringent filter plates, birefringent filter units and lyot filters, prisms, coated optical mirrors, glass laser flow tubes, filters and lenses