Electron discharge device,申请号US19530364764-传众专利搜索

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发明名称	Electron discharge device
摘要
申请公布号	US2844755(A)	申请公布日期	1958.07.22
申请号	US19530364764	申请日期	1953.06.29
申请人	ZENITH RADIO CORPORATION	发明人	ADLER ROBERT
分类号	H01J25/78	主分类号	H01J25/78
代理机构		代理人
主权项
地址

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