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经营范围
发明名称
Electric heater
摘要
申请公布号
US2003855(A)
申请公布日期
1935.06.04
申请号
US19310550137
申请日期
1931.07.11
申请人
GENERAL MOTORS CORPORATION
发明人
FREDRICKSON GUSTAV
分类号
H05B6/36
主分类号
H05B6/36
代理机构
代理人
主权项
地址
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