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发明名称
Gewinnung von reinen Eisenoxyden aus Erzen
摘要
申请公布号
DE841281(C)
申请公布日期
1952.06.13
申请号
DE1949P054153
申请日期
1949.09.07
申请人
HAKEN KURD VON DIPL.-ING.
发明人
HAKEN KURD VON DIPL.-ING.
分类号
B03C1/015
主分类号
B03C1/015
代理机构
代理人
主权项
地址
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