| 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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MinNR Приказ N 249 от 13.08.2009Ministry of Natural Resources and Ecology. . … |
MCHS 607Approving the procedure for the voluntary … |
Rosstat 44Federal Statistical Survey On Employee Wages |