
Metallic materials - Brinell hardness test Part 3: Calibration of reference blocks (ISO 6506-3:2014)
出版:German Institute for Standardisation (Deutsches Institut f眉r Normung)

專家解讀視頻
Metallic materials - Brinell hardness test Part 3: Calibration of reference blocks (ISO 6506-3:2014)
出版:German Institute for Standardisation (Deutsches Institut f眉r Normung)
專家解讀視頻