sigh007 发表于 2012-3-24 11:14:47

MIL-T-5066B (AMENDMENT 1)


                   MIL-T-5066B (AMENDMENT 1), MILITARY SPECIFICATION: TUBING, CARBON STEEL (1025), SEAMLESS AND WELDED (AIRCRAFT QUALITY) (05 NOV 1968) .         
         
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