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发明名称
摘要
申请公布号
JPS59262(U)
申请公布日期
1984.01.05
申请号
JP19820095432U
申请日期
1982.06.25
申请人
发明人
分类号
H01J37/09;H01J37/244;H01J37/28;(IPC1-7):H01J37/244
主分类号
H01J37/09
代理机构
代理人
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