Code of regulations for the construction of the linear section of the gas pipeline. Earthworks.
Свод правил по сооружению линейной части газопроводов. Производство земляных работ. |
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RD REGULATIONS 1990Regulations for the Design and Safe Operation … |
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RusRS cm 48-1688Russian Maritime Register of Shipping. … |
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GOST 21.613-88SPDS. Electric power equipment. Working drawings |