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发明名称
Block for pass of fish
摘要
申请公布号
KR20070031625(A)
申请公布日期
2007.03.20
申请号
KR20050086271
申请日期
2005.09.15
申请人
发明人
分类号
E02B8/08;E02B8/00
主分类号
E02B8/08
代理机构
代理人
主权项
地址
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