| Concrete. Strength testing rules
Бетоны. Правила контроля прочности |
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GOST R 1-5-2004Standardization in the Russian Federation. … |
GD Постановление 490 от 13.08.2006Government of the Russian Federation. Decree N … |
MinNR Постановление N 58 от 31.12.1997Instructions on the official registration of … |