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发明名称
DREDGING CONSTRUCTION METHOD OF PIPE USING WATER PRESSURE
摘要
申请公布号
KR20060087798(A)
申请公布日期
2006.08.03
申请号
KR20050008633
申请日期
2005.01.31
申请人
HAN GANG CO., LTD.
发明人
LEE, JE KUN
分类号
E03F9/00
主分类号
E03F9/00
代理机构
代理人
主权项
地址
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