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发明名称
APPARATUS FOR REFINING MOLTEN STEEL UNDER REDUCED PRESSURE
摘要
申请公布号
JPH02232314(A)
申请公布日期
1990.09.14
申请号
JP19890049950
申请日期
1989.03.03
申请人
NIPPON STEEL CORP
发明人
NAKAO YASUYUKI;TOMINO SHINICHIRO;INAI KAZUYOSHI
分类号
C22B9/04;C21C7/10
主分类号
C22B9/04
代理机构
代理人
主权项
地址
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