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发明名称
Förfarande för reduktion av järnmalm
摘要
申请公布号
FI34449(A)
申请公布日期
1964.09.10
申请号
FID34449
申请日期
1957.07.29
申请人
R-N CORPORATION
发明人
SMITH ROLLIN POWERS;BABCOCK DONALD ERIC
分类号
C21B13/00;(IPC1-7):C21B13/00
主分类号
C21B13/00
代理机构
代理人
主权项
地址
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