Russian standards PDF
Gas discharge devices. Methods of measurement of electrical parameters. General principles
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Gas discharge devices. Methods of measurement of electrical parameters of operating and measuring conditions for glow-discharge
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Gas discharge devices. Decatrons. Polyatrons. Methods for measurement of electrical parameters
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Drilling spindle units for modular type machine tool. Basic dimensions. Standards of accuracy
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Support holders for tangential cutters of turret lathes. Design and dimensions
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