Electron tube and method of making the same,申请号US19520288235-传众专利搜索

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发明名称	Electron tube and method of making the same
摘要
申请公布号	US2713532(A)	申请公布日期	1955.07.19
申请号	US19520288235	申请日期	1952.05.16
申请人	EITEL-MCCULLOUGH, INC.	发明人	MCCULLOUGH JACK A.
分类号	H01J21/36	主分类号	H01J21/36
代理机构		代理人
主权项
地址

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