
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 f眉r 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 f眉r Normung)
專家解讀視頻