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发明名称
摘要
申请公布号
JPS62169464(U)
申请公布日期
1987.10.27
申请号
JP19860057631U
申请日期
1986.04.18
申请人
发明人
分类号
H01J61/54;G03G15/20;H01J61/80;(IPC1-7):H01J61/54
主分类号
H01J61/54
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代理人
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