
DESTRUCTIVE TESTS ON WELDS IN METALLIC MATERIALS - COLD CRACKING TESTS FOR WELDMENTS - ARC WELDING PROCESSES - PART 1: GENERAL
出版:Comite Europeen de Normalisation

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DESTRUCTIVE TESTS ON WELDS IN METALLIC MATERIALS - COLD CRACKING TESTS FOR WELDMENTS - ARC WELDING PROCESSES - PART 1: GENERAL
出版:Comite Europeen de Normalisation
专家解读视频