sigh007 发表于 2012-3-29 11:51:45

MIL-S-6050A (AMENDMENT 2)


                   MIL-S-6050A (AMENDMENT 2), MILITARY SPECIFICATION, STEEL, CHROME-NICKEL-MOLYBDENUM (8630) BARS AND REFORGING STOCK (AIRCRAFT QUALITY) (13 NOV 1968).         
         
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