Electron discharge device,申请号US19360114385-传众专利搜索

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发明名称	Electron discharge device
摘要
申请公布号	US2099531(A)	申请公布日期	1937.11.16
申请号	US19360114385	申请日期	1936.12.05
申请人	TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE, M. B. H.	发明人	PASSARGE GERHARD
分类号	H01J19/34	主分类号	H01J19/34
代理机构		代理人
主权项
地址

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