On the rules of the confirmation of the suitability of new materials, products, constructions and technologies
for use in constructio
О правилах подтверждения пригодности новых материалов, изделий, конструкций и технологий для применения в строительстве |
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GOST 977-88Steel castings. General technical specifications. |
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GOST 22667-82Combustible natural gases. Methods to calculate … |
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FCS 442On amending and supplementing order of the … |