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发明名称
A method and device by a displacement tool
摘要
申请公布号
GB0503695(D0)
申请公布日期
2005.03.30
申请号
GB20050003695
申请日期
2002.08.21
申请人
HOEILAND, ODDGEIR
发明人
分类号
E21B17/01;E21B21/00;E21B33/038;E21B33/043
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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