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发明名称
摘要
申请公布号
JPH0235167(Y2)
申请公布日期
1990.09.21
申请号
JP19840156908U
申请日期
1984.10.17
申请人
发明人
分类号
H01J61/067;H01J61/26;(IPC1-7):H01J61/067
主分类号
H01J61/067
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