FIELD EMISSION TYPE ELECTRON GUN,申请号JP19900082199-传众专利搜索

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发明名称	FIELD EMISSION TYPE ELECTRON GUN
摘要
申请公布号	JPH03283245(A)	申请公布日期	1991.12.13
申请号	JP19900082199	申请日期	1990.03.29
申请人	JEOL LTD	发明人	OBARA KENJI;SUEYOSHI TAKASHI
分类号	H01J37/067;H01J37/073	主分类号	H01J37/067
代理机构		代理人
主权项
地址

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