| Rolled steel sections. I-beams with parallel edges of flanges. Specification.
Двутавры горячекатаные с параллельными гранями полок. Технические условия. Область применения. |
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MISC construction ministry recommendations of 1997Construction Ministry Recommendations of 1997 … |
VSN 011-88Construction of trunk pipelines and flowlines. … |
MinNR Постановление N 9 от 04.22.1992Russian State Mines and Industry Inspectorate. … |