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发明名称
SYSTEM FOR MEASURING A PRECEDING SUBSIDENCE OF THE FRONT OF A TUNNEL FACE AND ITS METHOD
摘要
申请公布号
KR20050103351(A)
申请公布日期
2005.10.31
申请号
KR20040028597
申请日期
2004.04.26
申请人
GEONET CO., LTD.
发明人
WON, KI EUN;JUNG, IN HO
分类号
G01C5/00;(IPC1-7):G01C5/00
主分类号
G01C5/00
代理机构
代理人
主权项
地址
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