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发明名称
Drilling device and method for taking soil samples
摘要
申请公布号
EP2050923(B1)
申请公布日期
2010.08.11
申请号
EP20070118488
申请日期
2007.10.15
申请人
TERRASOND AG
发明人
STUDER, EUGEN
分类号
E21B25/00
主分类号
E21B25/00
代理机构
代理人
主权项
地址
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