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发明名称
摘要
申请公布号
JPS59103362(U)
申请公布日期
1984.07.11
申请号
JP19820198777U
申请日期
1982.12.27
申请人
发明人
分类号
H01J61/24;H01J7/18;H01J7/22;(IPC1-7):H01J61/24
主分类号
H01J61/24
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