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经营范围
发明名称
under ground water drainage apparatus
摘要
申请公布号
KR101129402(B1)
申请公布日期
2012.03.27
申请号
KR20090042344
申请日期
2009.05.15
申请人
发明人
分类号
E02D31/12;B01D35/00
主分类号
E02D31/12
代理机构
代理人
主权项
地址
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