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发明名称
VERFAHREN ZUR REDUKTION VON ERZEN ZU ROHEISEN IM HOCHOFEN
摘要
申请公布号
DE2121241(B2)
申请公布日期
1977.12.29
申请号
DE19712121241
申请日期
1971.04.30
申请人
发明人
分类号
C21B5/00;(IPC1-7):C21B5/00
主分类号
C21B5/00
代理机构
代理人
主权项
地址
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