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发明名称
摘要
申请公布号
JP2627382(B2)
申请公布日期
1997.07.02
申请号
JP19920117908
申请日期
1992.03.26
申请人
发明人
分类号
H01J17/49;(IPC1-7):H01J17/49
主分类号
H01J17/49
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