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经营范围
发明名称
Manhole structure
摘要
申请公布号
KR200416889(Y1)
申请公布日期
2006.05.23
申请号
KR20060003275U
申请日期
2006.02.06
申请人
发明人
分类号
E03F5/02
主分类号
E03F5/02
代理机构
代理人
主权项
地址
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