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经营范围
发明名称
Space heater
摘要
申请公布号
US2491849(A)
申请公布日期
1949.12.20
申请号
US19480029122
申请日期
1948.05.25
申请人
BROOME ELMER E
发明人
BROOME ELMER E.
分类号
F24C3/08;F24H3/04;F24H3/06
主分类号
F24C3/08
代理机构
代理人
主权项
地址
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