Online Standards Store PDF
Electronic tubes and valves. Compatibility dimensions. Pin alignment. Gauges
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Gas discharge devices. Methods of measurement of electrical parameters of operating and measuring conditions for spark discharges
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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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Data transmissions system signal conversion modulus for telegraph channels. Types and basic parameters
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Information technology equipment. Safety. Part 1. General requirements
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Reprography. Micrography. Copies, documents, produced by reproduction from microfilms. Technical requirements and methods of control
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