OXIDE CATHODE STRUCTURE OF ELECTRON-GUN,申请号KR19890020100U-传众专利搜索

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发明名称	OXIDE CATHODE STRUCTURE OF ELECTRON-GUN
摘要
申请公布号	KR920003750(Y1)	申请公布日期	1992.06.08
申请号	KR19890020100U	申请日期	1989.12.28
申请人	SAM SUNG ELECTRON DEVICES CO., LTD.	发明人	NA, WOO - YOUNG
分类号	H01J1/20;(IPC1-7):H01J1/20	主分类号	H01J1/20
代理机构		代理人
主权项
地址

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