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发明名称
LEVEL CONTROL STRUCTURE OF MANHOLE
摘要
申请公布号
KR20050083586(A)
申请公布日期
2005.08.26
申请号
KR20050068149
申请日期
2005.07.27
申请人
KIM, HA YONG
发明人
KIM, HA YONG
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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