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发明名称
Kreiselvorrichtungen verwendende Anordnug für Messungen während des Bohrens und Verfahren zur Nullpunktfehlerentfernung
摘要
申请公布号
DE60117110(D1)
申请公布日期
2006.04.20
申请号
DE20016017110
申请日期
2001.08.29
申请人
BAKER-HUGHES INC., HOUSTON
发明人
KAHN, JON B.;ESTES, ROBERT A.
分类号
E21B43/16;E21B47/022;G01C19/38
主分类号
E21B43/16
代理机构
代理人
主权项
地址
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