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Point-to-point radio communication MF-HF receivers. Parameters, general technical requirements and methods of measuring
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Semiconductor diodes. Method of measuring of direct forward voltage and direct forward current
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Low-power electronic tubes or valves. Measuring methods
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Semiconductor photoemitters. Measuring method for half intensity angle
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Three-program wired broadcasting receivers. General specifications
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Unified system of standards of computer control systems. Dependability of computer control systems. General positions
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