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发明名称
Manhole repair method
摘要
申请公布号
KR100885659(B1)
申请公布日期
2009.02.25
申请号
KR20070012110
申请日期
2007.02.06
申请人
发明人
分类号
E02D29/12
主分类号
E02D29/12
代理机构
代理人
主权项
地址
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