Russian standards PDF
Products of concrete with polystyrene aggregates for enclosing structures of buildings. Specifications
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United power system and isolated power systems. Relay protection. Inductive measuring current transformers for protection with a normalized error in transient states and with limited residual flux-linkage. Guidelines for timing to saturation during short-circuits
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Automobile roads of general use. Anti-icing materials. Using regulations
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Engineering surveys. Requirements for the content of engineering geological maps
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Еngineering surveу. Requirements for content and construction of the engineering-geological columns and the profiles
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