
Destructive tests on welds in metallic materials - Hardness testing Part 2: Microhardness testing of welded joints (ISO 9015-2:2016)
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 2: Microhardness testing of welded joints (ISO 9015-2:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻