
SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - WELDING PROCEDURE TEST - PART 2: ARC WELDING OF ALUMINIUM AND ITS ALLOYS
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - WELDING PROCEDURE TEST - PART 2: ARC WELDING OF ALUMINIUM AND ITS ALLOYS
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频