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经营范围
发明名称
Gas furnace
摘要
申请公布号
US1952009(A)
申请公布日期
1934.03.20
申请号
US19320607123
申请日期
1932.04.23
申请人
FRASER FURNACE COMPANY
发明人
FRASER RICHARD E.
分类号
F24H3/00
主分类号
F24H3/00
代理机构
代理人
主权项
地址
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