DS DS/EN ISO 15614-11
DS DSEN SO 15614-11 2004-JUN-29 Specfcaton and qualfcaton of weldng procedures for metallc materals - Weldng procedure test - Part 11 Electron and laser beam weldng
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This European Standard specifies how a welding procedure specification for electron or laser beam welding is qualified by a welding procedure test.