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发明名称
Iron lid of manhole for water valve
摘要
申请公布号
KR20080002203(U)
申请公布日期
2008.06.26
申请号
KR20060032376U
申请日期
2006.12.22
申请人
发明人
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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