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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.
electronic data processing systems and electronic test instruments for electronic computers, including electronic components such as electronic word generators, digital test equipment, general purpose pulse generators, pulse and digital instrumentation systems including electronic digital computers and electronic data generation for use in controlling clock rate,programming of electronic computers, timing of data output of electronic computers, logic circuit design, magnetic test programming, code converter development, tape and drummemory design, worst-case pattern generation,data transmission system test, pcm telemetry system design, coded communication development, counter-measures development and digital technique instruction