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发明名称
摘要
申请公布号
JPS59121146(U)
申请公布日期
1984.08.15
申请号
JP19830014663U
申请日期
1983.02.03
申请人
发明人
分类号
H01J37/06;H01J1/15;H01J1/16;(IPC1-7):H01J1/15
主分类号
H01J37/06
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代理人
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