
Aerospace series - Steel - Sheets and plates, hot rolled - Dimensions; German and English version EN 2590:2017
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Aerospace series - Steel - Sheets and plates, hot rolled - Dimensions; German and English version EN 2590:2017
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻