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发明名称
摘要
申请公布号
KR100592413(B1)
申请公布日期
2006.06.22
申请号
KR20020020647
申请日期
2002.04.16
申请人
发明人
分类号
H01J29/02;H01J29/86
主分类号
H01J29/02
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