FIELD EMISSION TYPE ELECTRON GUN DEVICE,申请号JP19760044474-传众专利搜索

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发明名称	FIELD EMISSION TYPE ELECTRON GUN DEVICE
摘要
申请公布号	JPS52128047(A)	申请公布日期	1977.10.27
申请号	JP19760044474	申请日期	1976.04.21
申请人	HITACHI LTD	发明人	OOKURA AKIMITSU;SAITOU NAOTAKE
分类号	H01J3/02;H01J37/06;H01J37/073	主分类号	H01J3/02
代理机构		代理人
主权项
地址

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