Cathode and directed ray tubes,申请号US19550514973-传众专利搜索

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发明名称	Cathode and directed ray tubes
摘要
申请公布号	US2885591(A)	申请公布日期	1959.05.05
申请号	US19550514973	申请日期	1955.06.13
申请人	GOODMAN DAVID M	发明人	GOODMAN DAVID M.
分类号	H01J29/02;H01J29/28	主分类号	H01J29/02
代理机构		代理人
主权项
地址

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