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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.
light prisms for scientific use, namely, for use in televisions, high definition televisions, computer monitors, projectors and components thereof, namely, microdisplay packages, packaging of optical elements, pathlength matched optical elements, liquid coupled optical elements, optical filters, waveplates, light sources, beamsplitters and mirrors