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经营范围
发明名称
Verfahren zur Reduktion von Eisenerzen im Drehrohrofen
摘要
申请公布号
DE716025(C)
申请公布日期
1942.01.12
申请号
DE1938K150837D
申请日期
1938.06.02
申请人
FRIED. KRUPP GRUSONWERK AG.
发明人
分类号
C21B13/08
主分类号
C21B13/08
代理机构
代理人
主权项
地址
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