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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.
electric power supply units and power packs; antennas; antenna diplexers, antenna connection cables, antenna amplifiers and antenna connection sockets; plugs and jacks for coaxial cables and adapters as transitions between different plug types; electric conducting cables with standard plugs, especially for the connection of tape recorders to record players, radios and electric amplifiers; electric conductors and diode cables, electric attenuators, electric regulation desks, switch desks and mixing desks; video and television cameras; electric distant controls for switch- and mixing-desks and for video cameras; microphones; ear- and headphones; loudspeakers; electric volume controls, electric and electronic measuring instruments, especially digital direct-reading current and voltage measuring instruments