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发明名称
The waterway pipe for protection of ecosystem
摘要
申请公布号
KR20120001397(U)
申请公布日期
2012.02.29
申请号
KR20100008650U
申请日期
2010.08.19
申请人
发明人
分类号
E02B13/00;E02B5/02;E02B11/00
主分类号
E02B13/00
代理机构
代理人
主权项
地址
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