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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 couplings; electric welding apparatus, namely, electric arc welders, welding torches, welding electrodes, welding brazers; electrical power distribution control machines and apparatus, namely, power distribution blocks, switchboards, hybrid circuits, hybrid integrated circuits; rotary converters, namely, phase modifiers; batteries and electrical cells; magnetic cores; electrodes; electronic publications, namely, books, magazines and manuals featuring power transmission equipment, all recorded on electronic media