
Aerospace series - Metallic materials, Filler metal for brazing - Technical specification; German and English version FprEN 3875:2016
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Aerospace series - Metallic materials, Filler metal for brazing - Technical specification; German and English version FprEN 3875:2016
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻