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发明名称
PIN APPARATUS FOR MEASURING DISPLACEMENT OF TUNNEL'S INNER SURFACE
摘要
申请公布号
KR100685008(B1)
申请公布日期
2007.02.22
申请号
KR20040090476
申请日期
2004.11.08
申请人
发明人
分类号
G01C3/02;G01B11/16
主分类号
G01C3/02
代理机构
代理人
主权项
地址
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