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发明名称
摘要
申请公布号
JPS58170751(U)
申请公布日期
1983.11.15
申请号
JP19820068375U
申请日期
1982.05.11
申请人
发明人
分类号
H01J9/40;(IPC1-7):H01J9/40
主分类号
H01J9/40
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代理人
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地址
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