Welded joints. Methods for determining mechanical properties
Сварные соединения. Методы определения механических свойств. |
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MinEnergy 122-19/134-4Receiving Transporting Storing and Using … |
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GOST 12.2.007.1-75SSBT. Occupational Safety Standards System. … |
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MinTran 147Approval of the Rules for issuing and checking … |