
Metallic powders - Determination of acid-insoluble content in iron, copper, tin and bronze powders (ISO/FDIS 4496:2017); German and English version FprEN ISO 4496:2017
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Metallic powders - Determination of acid-insoluble content in iron, copper, tin and bronze powders (ISO/FDIS 4496:2017); German and English version FprEN ISO 4496:2017
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻