High-transconductance cathode-ray tube,申请号US19590823028-传众专利搜索

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发明名称	High-transconductance cathode-ray tube
摘要
申请公布号	US2991393(A)	申请公布日期	1961.07.04
申请号	US19590823028	申请日期	1959.06.26
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	FRANCKEN JAN CAREL
分类号	H01J29/48;H01J29/52	主分类号	H01J29/48
代理机构		代理人
主权项
地址

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