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经营范围
发明名称
Method for smelting reduction in electric furnace
摘要
申请公布号
US4913732(A)
申请公布日期
1990.04.03
申请号
US19890329675
申请日期
1989.03.28
申请人
NKK CORPORATION
发明人
MIYANO, HARUO;WATANABE, ATSUSHI;HONGO, YUKIO
分类号
C21B13/12;C21C5/52
主分类号
C21B13/12
代理机构
代理人
主权项
地址
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