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发明名称
摘要
申请公布号
JPS5464455(U)
申请公布日期
1979.05.08
申请号
JP19770136986U
申请日期
1977.10.14
申请人
发明人
分类号
H01J29/07;(IPC1-7):H01J29/07
主分类号
H01J29/07
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