Electrical heating unit,申请号US19380205048-传众专利搜索

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法人/股东/高管

发明名称	Electrical heating unit
摘要
申请公布号	US2222883(A)	申请公布日期	1940.11.26
申请号	US19380205048	申请日期	1938.04.29
申请人	SMITH JOHN E	发明人	SMITH JOHN E.
分类号	H01M10/10;H01M10/50;H05B3/06	主分类号	H01M10/10
代理机构		代理人
主权项
地址

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