| Corrosion protection of concrete and reinforced concrete structural elements. General specifications.
Защита бетонных и железобетонных конструкций от коррозии. Общие технические требования. |
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KKLD 300Organization of Oil Products Quality Control |
GOST 22845-85Electrical passenger and freight. Elevators. … |
GD 252Calculation of Length of Permanent Work Service … |