Cathode-ray tube with oxide coated cathode,申请号US19480011322-传众专利搜索

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发明名称	Cathode-ray tube with oxide coated cathode
摘要
申请公布号	US2505909(A)	申请公布日期	1950.05.02
申请号	US19480011322	申请日期	1948.02.26
申请人	RUSSELL BISHOP H	发明人	BISHOP H. RUSSELL
分类号	H01J29/48	主分类号	H01J29/48
代理机构		代理人
主权项
地址

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