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发明名称
Vorrichtung zum Herausschneiden und Aufnehmen langer Formationsproben aus der Wand eines Bohrloches
摘要
申请公布号
DE1262937(B)
申请公布日期
1968.03.14
申请号
DE1964A047711
申请日期
1964.11.27
申请人
AMERICAN COLDSET CORPORATION;CORE LABORATORIES, INC.
发明人
STUART ROBERT W.;WISENBAKER JOHN D.
分类号
E21B49/06
主分类号
E21B49/06
代理机构
代理人
主权项
地址
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