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Electromagnetic compatibility of technical equipment. Immunity to power frequency magnetic field. Technical requirements and test methods
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Safety requirements for electronic flash apparatus for photographic purposes
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Oscillator, modulator and regulation tubes with anode dissipated power above 25 W. Methods of measurements of cathode emission
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12,7 mm 9-track magnetic tapes with the density of recording of 32 flux changes per mm. Technical requirements
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Information technology equipment. Safety. Part 1. General requirements
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