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发明名称
摘要
申请公布号
JPS5263347(U)
申请公布日期
1977.05.10
申请号
JP19750150461U
申请日期
1975.11.05
申请人
发明人
分类号
H01J23/10;(IPC1-7):H01J23/10
主分类号
H01J23/10
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代理人
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