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经营范围
发明名称
Improvements in or relating to oxygen lance support for steelmaking apparatus
摘要
申请公布号
GB922096(A)
申请公布日期
1963.03.27
申请号
GB19600018823
申请日期
1960.05.27
申请人
KOPPERS COMPANY, INC.
发明人
分类号
C21C5/46
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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