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发明名称
Schmelzen schwer schmelzbarer Metalle unter tunlichster Verhuetung der Aufnahme von Verunreinigungen
摘要
申请公布号
DE558685(C)
申请公布日期
1932.09.10
申请号
DE1929R080144D
申请日期
1929.12.17
申请人
DIPL.-ING. WILHELM ROEVER;DIPL.-ING. FRIEDRICH WOLF
发明人
分类号
C22B9/16
主分类号
C22B9/16
代理机构
代理人
主权项
地址
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