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Transistors bipolar. Methods for measuring collector and emitter capacitances

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Electronic tubes and valves. Compatibility dimensions. Pin alignment. Gauges

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Oscillator, modulator and regulation tubes with anode dissipated power above 25 W. Measurement methods of currents of anode and grids, having positive voltage relative to cathode and zero anode and grids currents

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Gas discharge devices. Methods of measurement of electrical parameters of operating and measuring conditions for pulsed thyratrons and gasotrones

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Lenses for cameras. Method of determination of transmission coefficient

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Information technology. Telecommunications and information exchange between systems. Open Systems Interconnection. Protocol for providing the connection-mode transport service

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