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经营范围
发明名称
Flowing backward prevention and water volume control function having irrigation gate
摘要
申请公布号
KR200454153(Y1)
申请公布日期
2011.06.17
申请号
KR20090010928U
申请日期
2009.08.21
申请人
发明人
分类号
A01G25/00;E02B13/00
主分类号
A01G25/00
代理机构
代理人
主权项
地址
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