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经营范围
发明名称
Electric space heater
摘要
申请公布号
US2188122(A)
申请公布日期
1940.01.23
申请号
US19390250202
申请日期
1939.01.10
申请人
GEORGE STEINGRUBER
发明人
STEINGRUBER GEORGE
分类号
F24C7/06
主分类号
F24C7/06
代理机构
代理人
主权项
地址
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