ELECTRON GUN,申请号JP19900269851-传众专利搜索

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发明名称	ELECTRON GUN
摘要
申请公布号	JPH04147544(A)	申请公布日期	1992.05.21
申请号	JP19900269851	申请日期	1990.10.08
申请人	NEC CORP	发明人	YANAI YOSHIAKI
分类号	H01J29/48;H01J29/50;H01J29/56	主分类号	H01J29/48
代理机构		代理人
主权项
地址

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