| Concrete. Rapid methods for determining cold resistance under repeated freezing and thawing
Бетоны. Ускоренные методы определения морозостойкости при многократном замораживании и оттаивании. |
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MinInd 2On the approval of the form of the resource … |
GOST R 50680-94Automatic water fire extinguishing systems. … |
Rostrud 14Recommendations for Work Safety Departments |