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发明名称
VERFAHREN UND VORRICHTUNG ZUR BESTIMMUNG EINER EIGENSCHAFT DER BEWEGUNG EINES BORHGESTAENGES.
摘要
申请公布号
DE68903755(T2)
申请公布日期
1993.04.22
申请号
DE19896003755T
申请日期
1989.11.06
申请人
ANADRILL INTERNATIONAL S.A., PANAMA, PA
发明人
LESAGE, MARC, MISSOURI CITY TEXAS 77459, US;MCCANN, DOMINIC, F-75015 PARIS, FR;JARDINE, STUART, CAMBRIDGE CB1 3QF, GB
分类号
E21B12/02;E21B44/00;E21B47/00;G01P3/44;G01P7/00;(IPC1-7):E21B47/00
主分类号
E21B12/02
代理机构
代理人
主权项
地址
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