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经营范围
发明名称
THE AGRICULTURE WATERWAY HAVING THE DRAIN VALVE
摘要
申请公布号
KR20090008418(U)
申请公布日期
2009.08.21
申请号
KR20080002116U
申请日期
2008.02.18
申请人
发明人
分类号
E02B11/02;E02B11/00
主分类号
E02B11/02
代理机构
代理人
主权项
地址
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