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发明名称
Inducing waterway for measurement of the flow volume of mine outflow water
摘要
申请公布号
KR100901210(B1)
申请公布日期
2009.06.08
申请号
KR20070110420
申请日期
2007.10.31
申请人
发明人
分类号
E21B47/00
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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