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经营范围
发明名称
Evaporation chamber for a basic oxygen furnace
摘要
申请公布号
US3345057(A)
申请公布日期
1967.10.03
申请号
US19640418456
申请日期
1964.12.15
申请人
KOPPERS COMPANY, INC.
发明人
MITCHELL HARTMAN;WALKER ROY W.
分类号
C21C5/40
主分类号
C21C5/40
代理机构
代理人
主权项
地址
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