sigh007 发表于 2012-3-22 16:01:41

MIL-STD-2103


                   MIL-STD-2103, MILITARY STANDARD: WELDING, ELECTRON BEAM REQUIREMENTS FOR (07 MAR 1990) ., This standard covers the requirements for welding rocket motor case components by the electron beam (EB) welding process.         
         
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