Cathode containing a supply of an electron-emissive material,申请号US19510258891-传众专利搜索

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发明名称	Cathode containing a supply of an electron-emissive material
摘要
申请公布号	US2716716(A)	申请公布日期	1955.08.30
申请号	US19510258891	申请日期	1951.11.29
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	HUGHES RAY C.;COPPOLA PATRICK P.
分类号	H01J1/28;H05B41/10	主分类号	H01J1/28
代理机构		代理人
主权项
地址

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