
Aerospace series - Metallic materials - Test methods - Sharp edge-notch tensile testing for sheet and strip; German and English version EN 4526:2013
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Aerospace series - Metallic materials - Test methods - Sharp edge-notch tensile testing for sheet and strip; German and English version EN 4526:2013
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻