ELECTRON BEAM DEVICE,申请号JP19900207144-传众专利搜索

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发明名称	ELECTRON BEAM DEVICE
摘要
申请公布号	JPH0492347(A)	申请公布日期	1992.03.25
申请号	JP19900207144	申请日期	1990.08.03
申请人	FUJITSU LTD	发明人	ITO AKIO;HAMA SOICHI
分类号	G01R19/00;H01J37/147;H01J37/28	主分类号	G01R19/00
代理机构		代理人
主权项
地址

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