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经营范围
发明名称
A rotary type underground water drainer for waterproof work
摘要
申请公布号
KR100655228(B1)
申请公布日期
2006.12.08
申请号
KR20040096061
申请日期
2004.11.23
申请人
发明人
分类号
E02D31/00;E03B11/14
主分类号
E02D31/00
代理机构
代理人
主权项
地址
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