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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.
liquid glass protective coatings for display screens and ceramic glass screens of portable electronic devices, including cell phones, smart phones, electronic tablets, personal computers, smart watches, televisions, computer monitors, portable video camera device screens, wearable electronic device screens