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发明名称
摘要
申请公布号
JPH0812765(B2)
申请公布日期
1996.02.07
申请号
JP19870328598
申请日期
1987.12.24
申请人
发明人
分类号
H01J23/04;(IPC1-7):H01J23/04
主分类号
H01J23/04
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代理人
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