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发明名称
Super-hearth construction for heat treatment furnaces
摘要
申请公布号
US2783987(A)
申请公布日期
1957.03.05
申请号
US19520280601
申请日期
1952.04.04
申请人
C. I. HAYES, INC.
发明人
GILBERT WESLEY R.
分类号
C21D9/00;F27B5/04
主分类号
C21D9/00
代理机构
代理人
主权项
地址
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