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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; electrical power filters for recording power quality incident data in electrical equipment, and monitoring, diagnosing, and preventing power surges and power disturbances in electrical equipment; data retrieval and diagnostic software for recording power quality incident data in electrical equipment, and monitoring, diagnosing, preventing and reporting on power surges and power disturbances in electrical equipment