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Cathode-ray tubes for reception. Method of measurement of screen brilliancy

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Safety of laser products. Part 9. Compilation of maximum permissible exposure to incoherent optical radiation

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Electromagnetic compatibility of technical equipment. Electromagnetic disturbance from technical equipment intended for use in residential, commercial and light-industry environments. Limits and test methods

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Sound broadcasting picture channels connecting line. Basic parameters. Methods of measurements

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High-voltage kenotrons. Heater current measuring method

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Telemechanics complexes and devices. General technical specifications

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