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经营范围
发明名称
Air heating furnace
摘要
申请公布号
US2194733(A)
申请公布日期
1940.03.26
申请号
US19370162858
申请日期
1937.09.08
申请人
PENNSYLVANIA FURNACE & IRON CO.
发明人
ANDERSEN CHRISTIAN S.;SCHELLHAMMER ALFRED L.
分类号
F24H3/10
主分类号
F24H3/10
代理机构
代理人
主权项
地址
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