Method of making electron discharge devices,申请号US19430507314-传众专利搜索

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发明名称	Method of making electron discharge devices
摘要
申请公布号	US2415360(A)	申请公布日期	1947.02.04
申请号	US19430507314	申请日期	1943.10.22
申请人	MCINTOSH FRANK H	发明人	MCINTOSH FRANK H.
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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