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标题: MIL-W-21157A [打印本页]

作者: sigh007 时间: 2012-3-21 19:16:56 标题: MIL-W-21157A

MIL-W-21157A, MILITARY SPECIFICATION: WELDMENT, STEEL, CARBON AND LOW ALLOY (YIELD STRENGTH 30,000 - 60,000 PS1 (26 OCT 1971)., This specification covers the requirements for steel weldments fabricated by metal electrode welding processes.

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