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经营范围
发明名称
FRONT-FILTER
摘要
申请公布号
KR100509761(B1)
申请公布日期
2005.08.25
申请号
KR20030013364
申请日期
2003.03.04
申请人
发明人
分类号
H01J11/44;(IPC1-7):H01J17/49
主分类号
H01J11/44
代理机构
代理人
主权项
地址
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