Electrode for electric discharge tubes,申请号US19370167490-传众专利搜索

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发明名称	Electrode for electric discharge tubes
摘要
申请公布号	US2118765(A)	申请公布日期	1938.05.24
申请号	US19370167490	申请日期	1937.10.06
申请人	HYGRADE SYLVANIA CORPORATION	发明人	MILLER CARL F.
分类号	H01J19/28	主分类号	H01J19/28
代理机构		代理人
主权项
地址

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