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发明名称
Electric heater
摘要
申请公布号
US2242630(A)
申请公布日期
1941.05.20
申请号
US19400318159
申请日期
1940.02.09
申请人
GEORGE STEINGRUBER
发明人
STEINGRUBER GEORGE
分类号
F24H3/04
主分类号
F24H3/04
代理机构
代理人
主权项
地址
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