ELECTRON BEAM DEVICE,申请号JP19900136743-传众专利搜索

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发明名称	ELECTRON BEAM DEVICE
摘要
申请公布号	JPH0432143(A)	申请公布日期	1992.02.04
申请号	JP19900136743	申请日期	1990.05.25
申请人	HITACHI LTD	发明人	SATO MITSUGI
分类号	H01J37/09;H01J37/12;H01J37/147;H01J37/21;H01J37/26	主分类号	H01J37/09
代理机构		代理人
主权项
地址

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