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经营范围
发明名称
Ingot furnace
摘要
申请公布号
US2214234(A)
申请公布日期
1940.09.10
申请号
US19390277406
申请日期
1939.06.05
申请人
DOUGLAS A. BAILEY
发明人
MEYER AL
分类号
C21D9/70;F27B9/22;F27B9/24;F27D3/00;F27D9/00
主分类号
C21D9/70
代理机构
代理人
主权项
地址
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