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发明名称
Method of and apparatus for removing slag from center hole of ingot soaking pits
摘要
申请公布号
US2643203(A)
申请公布日期
1953.06.23
申请号
US19470737700
申请日期
1947.03.27
申请人
INLAND STEEL COMPANY
发明人
DRACKLEY FRANK
分类号
C21D9/70;F27D3/15;F27D25/00
主分类号
C21D9/70
代理机构
代理人
主权项
地址
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