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经营范围
发明名称
Portable electric heater
摘要
申请公布号
US2003714(A)
申请公布日期
1935.06.04
申请号
US19330666949
申请日期
1933.04.20
申请人
ELECTRICAL PATENT HOLDING CORPORATION
发明人
JOHNSON GUSTAVE A.
分类号
F24C15/10
主分类号
F24C15/10
代理机构
代理人
主权项
地址
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