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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.
electrical power protection filters and electrical power line conditioners, voltage regulators, voltage surge protectors, voltage surge suppressors, electrical current surge protectors, electrical current surge suppressors, and electrical power filters for recording power quality incident data in electrical equipment, all of the foregoing for flat panel displays, digital displays and projectors