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发明名称
摘要
申请公布号
JPS5012653(U)
申请公布日期
1975.02.08
申请号
JP19730062906U
申请日期
1973.05.30
申请人
发明人
分类号
H01J7/18;H01H83/02;H01J29/94;(IPC1-7):H01J7/18
主分类号
H01J7/18
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代理人
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