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发明名称
Heating furnace
摘要
申请公布号
US2369419(A)
申请公布日期
1945.02.13
申请号
US19430499946
申请日期
1943.08.25
申请人
NATIONAL STEEL CORPORATION
发明人
STRASSBURGER JULIUS H.
分类号
C21D9/00;F27B9/38;F27D1/18;F27D3/00;F27D9/00
主分类号
C21D9/00
代理机构
代理人
主权项
地址
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