Russian standards PDF
Automobile roads of general use. Sand-gravel mixes. General technical requirements
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Automobile roads of general use. Expansion joints with rubber seals for superstructures of road bridges. General specifications
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Piezoelectric devices and electromechanical filters. Method of checking the electrical strength of insulation
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Epitaxial structures. Ðœethod for measuring the thickness of epitaxial silicon layers in structures of the silicon-on-sapphire type based on IR interference
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High-voltage kenotrons. Method of measuring the temperature of the cylinder
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Electro-optical elements. Methods for measuring the tangent of dielectric loss angle
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