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经营范围
发明名称
A dam easy changeable full water level
摘要
申请公布号
KR200401256(Y1)
申请公布日期
2005.11.15
申请号
KR20050023374U
申请日期
2005.08.12
申请人
发明人
分类号
E02B7/20;E02B3/10
主分类号
E02B7/20
代理机构
代理人
主权项
地址
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