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经营范围
发明名称
Hot air furnace
摘要
申请公布号
US1965179(A)
申请公布日期
1934.07.03
申请号
US19310574964
申请日期
1931.11.14
申请人
RUDY FURNACE COMPANY
发明人
FREELAND FRED B.
分类号
F24H9/20
主分类号
F24H9/20
代理机构
代理人
主权项
地址
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