sigh007 发表于 2012-3-24 11:26:38

MIL-STD-1876A


                   MIL-STD-1876A, MILITARY STANDARD: NITRIDING, GASEOUS ATMOSPHERE PROCESSING FOR (03 DEC 1991) ., This standard covers the requirements for gaseous atmosphere nitriding of aircraft quality steel parts and in-process heat treatment and machining operations.         
         
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