sigh007 发表于 2012-3-21 18:59:25

MIL-HDBK-420 (NOTICE 1)


                   MIL-HDBK-420 (NOTICE 1), SITE SURVEY HANDBOOK FOR COMMUNICATIONS FACILITIES. MIL-HDBK-420, dated 20 March 1987, has been reviewed and determined to be valid for use in acquisition.         
         
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