
Destructive tests on welds in metallic materials - Hardness testing Part 1: Hardness test on arc welded joints (ISO 9015-1:2001)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Destructive tests on welds in metallic materials - Hardness testing Part 1: Hardness test on arc welded joints (ISO 9015-1:2001)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻