Cathode ray tube,申请号US19550549712-传众专利搜索

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发明名称	Cathode ray tube
摘要
申请公布号	US2795729(A)	申请公布日期	1957.06.11
申请号	US19550549712	申请日期	1955.11.29
申请人	NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	GABOR DENNIS
分类号	H01J31/12;H01J31/20	主分类号	H01J31/12
代理机构		代理人
主权项
地址

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