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经营范围
发明名称
Manhole having multitude structure
摘要
申请公布号
KR100654402(B1)
申请公布日期
2006.12.05
申请号
KR20050130840
申请日期
2005.12.27
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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