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发明名称
METHOD AND APPARATUS FOR REGULATING GAS FLOW FOR PRE-REDUCTION IN SMELTING REDUCTION EQUIPMENT PROVIDING PRE-REDUCTION FURNACE
摘要
申请公布号
JPH03173711(A)
申请公布日期
1991.07.29
申请号
JP19890313259
申请日期
1989.12.04
申请人
NKK CORP
发明人
YAMADA KENZO;ARIYAMA TATSURO;ISOZAKI SHINICHI
分类号
C21B11/02;C21B11/00
主分类号
C21B11/02
代理机构
代理人
主权项
地址
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