Electric heater unit,申请号US19380229191-传众专利搜索

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发明名称	Electric heater unit
摘要
申请公布号	US2207876(A)	申请公布日期	1940.07.16
申请号	US19380229191	申请日期	1938.09.09
申请人	RAGNVALD SANDELL BROR HUGO	发明人	SANDELL BROR HUGO RAGNVALD
分类号	H05B3/70	主分类号	H05B3/70
代理机构		代理人
主权项
地址

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