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发明名称
Semiconductor electron emission device
摘要
申请公布号
EP0532019(B1)
申请公布日期
1997.12.29
申请号
EP19920115564
申请日期
1992.09.11
申请人
CANON KABUSHIKI KAISHA
发明人
WATANABE, NOBUO;KANEKO, NORIO;OKUNUKI, MASAHIKO;TSUKAMOTO, TAKEO
分类号
H01J1/308;H01J9/02;(IPC1-7):H01J1/30
主分类号
H01J1/308
代理机构
代理人
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