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发明名称
摘要
申请公布号
KR200320023(Y1)
申请公布日期
2003.07.18
申请号
KR20030010002U
申请日期
2003.04.02
申请人
发明人
分类号
C02F11/12
主分类号
C02F11/12
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代理人
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