sigh007 发表于 2012-3-27 00:24:29

MIL-S-8840B (AMENDMENT 1)


                   MIL-S-8840B (AMENDMENT 1), MILITARY SPECIFICATION: STEEL SHEET AND STRIP, CORROSION-RESISTANT, PRECIPITATION HARDENING (AM350 AND AM355), PREMIUM QUALITY (29 SEP 1978) .,         
         
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