Electric resistance heating element,申请号US19320585491-传众专利搜索

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发明名称	Electric resistance heating element
摘要
申请公布号	US1997844(A)	申请公布日期	1935.04.16
申请号	US19320585491	申请日期	1932.01.08
申请人	WIEGAND EDWIN L	发明人	WIEGAND EDWIN L.
分类号	H05B3/50	主分类号	H05B3/50
代理机构		代理人
主权项
地址

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