ELECTRON EMISSION DEVICE,申请号EP19870114352-传众专利搜索

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发明名称	ELECTRON EMISSION DEVICE
摘要
申请公布号	EP0262676(A3)	申请公布日期	1989.12.13
申请号	EP19870114352	申请日期	1987.10.01
申请人	CANON KABUSHIKI KAISHA	发明人	SUGATA, MASAO;TSUKAMOTO, TAKEO;SHIMIZU, AKIRA;SUZUKI, AKIRA;SHIMODA, ISAMU;OKUNUKI, MASAHIKO
分类号	H01J1/312;(IPC1-7):H01J1/30	主分类号	H01J1/312
代理机构		代理人
主权项
地址

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