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发明名称
Verfahren zur Verarbeitung von Erzen und sonstigen Metallverbindungen durch Roestung unter Verwendung einer Salzschmelze
摘要
申请公布号
DE535394(C)
申请公布日期
1931.10.09
申请号
DE1926S077083D
申请日期
1926.11.20
申请人
GEWERKSCHAFT GEVENICH
发明人
分类号
C22B1/02
主分类号
C22B1/02
代理机构
代理人
主权项
地址
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