sigh007 发表于 2012-3-29 11:53:18

MIL-S-7839B (NOTICE 1)


                   MIL-S-7839B (NOTICE 1), MILITARY SPECIFICATION: SCREW, STRUCTURAL, AIRCRAFT (31 JUL 1992) ., MIL-S-7839B remains inactive for new design, however, the document is valid for acquisition when needed.         
         
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