Strengthening means for a sidewall of a cup-shaped member for an electron gun assembly of a CRT,申请号US19890325840-传众专利搜索

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发明名称	Strengthening means for a sidewall of a cup-shaped member for an electron gun assembly of a CRT
摘要
申请公布号	US4952840(A)	申请公布日期	1990.08.28
申请号	US19890325840	申请日期	1989.03.20
申请人	RCA LICENSING CORP.	发明人	HALE, JOHN R.;MCCAULEY, GERALD J.
分类号	H01J29/48;H01J29/82	主分类号	H01J29/48
代理机构		代理人
主权项
地址

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