Russian standards PDF
Composite line post and pin insulators for voltage 1-35kV. General specifications
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Composite through insulators at voltage 6-35kV. General specifications
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Reinforced concrete links of free-flow pipes of rectangular section for hydrotechnical structures. Specifications
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Soils. Methods for laboratory determination of thermal characteristics
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Bored piles, diaphragm and pile walls. Integrity testing of concrete quality by crosshole ultrasonic logging method
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Gate сonstructions for public and industrial purpose buildings. General technical requirements
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