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发明名称
VERFAHREN ZUR ERMITTLUNG VON MESSWERTEN DER EINE TIEFBOHRUNG UMGEBENDEN FORMATIONEN
摘要
申请公布号
DE2747748(A1)
申请公布日期
1978.05.03
申请号
DE19772747748
申请日期
1977.10.21
申请人
DRESSER INDUSTRIES,INC.
发明人
LEE MARQUIS,GERALD
分类号
E21B17/00;E21B23/08;E21B23/14;(IPC1-7):E21B47/00
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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