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发明名称
STRUCTURE FOR GAS FLOW PASSAGE BETWEEN SMELTING REDUCTION FURNACE AND PRE-REDUCTION FURNACE IN SMELTING REDUCTION IRON-MAKING DEVICE
摘要
申请公布号
JPH0598330(A)
申请公布日期
1993.04.20
申请号
JP19910287035
申请日期
1991.10.07
申请人
NKK CORP
发明人
FUKUSHIMA HIRONORI;HASEGAWA TERUYUKI;YAMASE OSAMU;IWASAKI KATSUHIRO
分类号
C21B11/02
主分类号
C21B11/02
代理机构
代理人
主权项
地址
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