sigh007 发表于 2012-3-24 11:15:37

MIL-T-5421B (NOTICE 1)


                   MIL-T-5421B (NOTICE 1), MILITARY SPECIFICATION:  TUBES, PITOT, ELECTRICALLY HEATED, AIRCRAFT (05 MAY 1999) ., MIL-T-5421B is inactive for new design and is no longer used, except for replacement purposes.         
         
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