Black-and-white picture tubes. General specifications
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Semiconductor diodes. Method for measuring constant DC voltage
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Semiconductor diodes. Method for measuring direct reverse current
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Semiconductor diodes. Methods for measuring capacitance
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Semiconductor diodes. Method for measuring the maximum impulse forward voltage
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Reproducing devices of mechanical sound recording. General specifications
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Gas-discharge devices. General specifications
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Distribution networks of receiving TV and radio systems. Basic parameters, technical requirements, measurement and test methods
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Domestic broadcasting apparatus. Technical requirements and test methods for mechanical and climatic influences
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Domestic broadcasting apparatus. Norms of mechanical and climatic influences
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Electronic consumer equipment. Norms and methods of climatic and environmental mechanical testing procedure
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Sound broadcasting channels and sections. Classes. Basic quality parameters
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