Electrical heating element,申请号US19390263178-传众专利搜索

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发明名称	Electrical heating element
摘要
申请公布号	US2272282(A)	申请公布日期	1942.02.10
申请号	US19390263178	申请日期	1939.03.21
申请人	WIEGAND EDWIN L	发明人	WIEGAND EDWIN L.
分类号	H01B7/16	主分类号	H01B7/16
代理机构		代理人
主权项
地址

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