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经营范围
发明名称
Furnace
摘要
申请公布号
US2891520(A)
申请公布日期
1959.06.23
申请号
US19550500374
申请日期
1955.04.11
申请人
CHICAGO DOWN DRAFT FURNACE CO.
发明人
MCNEAL RAYMOND F.
分类号
F22B13/00
主分类号
F22B13/00
代理机构
代理人
主权项
地址
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