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经营范围
发明名称
VERTICAL REDUCTION FURNACE
摘要
申请公布号
JPS54130405(A)
申请公布日期
1979.10.09
申请号
JP19780037845
申请日期
1978.03.31
申请人
NIPPON STEEL CORP
发明人
OOTSUKI NAOKI
分类号
C21B7/20;C21B7/18;C21B13/02;F27B1/20
主分类号
C21B7/20
代理机构
代理人
主权项
地址
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