sigh007 发表于 2012-3-29 11:51:27

MIL-STD-1621A (NOTICE 2)


                   MIL-STD-1621A (NOTICE 2), MILITARY STANDARD: ACOUSTICAL AND VIBRATIONAL STANDARD REFERENCE QUANTITIES (05 DEC 1995) ., MIL-STD-1621A dated 27 August 1973, is hereby canceled without replacement.         
         
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