Rolled steel with increased strength. General specifications.
Прокат из стали повышенной прочности. Общие технические условия. |
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MU МУ 2.1.674-97Sanitary assessment of construction materials … |
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MinNR Приказ N 411 от 15.12.2009Ministry of Natural Resources and Ecology. . … |
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GOST 3242-79Welded joints. Quality control methods |