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标题: MIL-S-21472C [打印本页]

作者: sigh007 时间: 2012-3-31 17:53:37 标题: MIL-S-21472C

MIL-S-21472C, MILITARY SPECIFICATION SCREW, SHOULDER, HEXAGON SOCKET-HEAD AND SLOTTED-HEAD GENERAL SPECIFICATION FOR (31 OCT 1988) [S/S BY NASM21472]., This specification covers hexagaon slotted-head shoulder screws and socket-head shoulder screws

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