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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 switches, electrical ceiling switches, electric ceiling roses in the nature of electric ceiling fixtures and ceiling medallions sold as a unit; electrical sockets and socket outlets, coaxial cable socket outlets, satellite connection sockets, electrical floor sockets; telephone socket outlets; fused electrical connection units and plugs, modular wiring devices, namely, combination electrical sockets and outlets comprising inputs for data, cable, telephone, and electricity; electrical power distribution units