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标题: MIL-S-7839B [打印本页]

作者: sigh007 时间: 2012-3-29 11:52:25 标题: MIL-S-7839B

MIL-S-7839B, MILITARY SPECIFICATION: SCREW, STRUCTURAL, AIRCRAFT (21 DEC 1973) [S/S BY NASM7839]., This specification covers aircraft structural screws.

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