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发明名称
APPARATUS FOR MAKING STEEL
摘要
申请公布号
US3480266(A)
申请公布日期
1969.11.25
申请号
USD3480266
申请日期
1967.10.27
申请人
KOPPERS CO. INC.
发明人
JOSEPH J. CIOCHETTO
分类号
C21C5/56;(IPC1-7):F27B5/12;F27B5/16
主分类号
C21C5/56
代理机构
代理人
主权项
地址
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