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经营范围
发明名称
ELECTRON EMITTER
摘要
申请公布号
EP0329432(A3)
申请公布日期
1990.09.05
申请号
EP19890301475
申请日期
1989.02.16
申请人
CANON KABUSHIKI KAISHA
发明人
EGUCHI, KEN;KAWADA, HARUKI;SAKAI, KUNIHIRO;MATSUDA, HIROSHI;TAKIMOTO, KIYOSHI;KAWADE, HISAAKI;MORIKAWA, YUKO;YANAGISAWA, YOSHIHIRO
分类号
H01J1/30;H01J1/34;(IPC1-7):H01J1/30
主分类号
H01J1/30
代理机构
代理人
主权项
地址
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