
TESTING OF METALS - REVERSE BEND TESTING OF SHEETS OR STRIPS LESS THAN 3 MM THICK
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
TESTING OF METALS - REVERSE BEND TESTING OF SHEETS OR STRIPS LESS THAN 3 MM THICK
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻