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经营范围
发明名称
Tunnel furnace
摘要
申请公布号
US2401093(A)
申请公布日期
1946.05.28
申请号
US19440565333
申请日期
1944.11.27
申请人
NATIONAL TUBE COMPANY
发明人
MYHRMAN GEORGE
分类号
F27B9/20;F27B9/24;F27B9/30;F27D3/00
主分类号
F27B9/20
代理机构
代理人
主权项
地址
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