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发明名称
摘要
申请公布号
JPS55114159(U)
申请公布日期
1980.08.12
申请号
JP19790013500U
申请日期
1979.02.05
申请人
发明人
分类号
H01J1/88;H01J29/04;(IPC1-7):H01J1/88
主分类号
H01J1/88
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