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发明名称
PROCEDE DE FORAGE D'UN PUITS DIRECTIONNEL
摘要
申请公布号
FR2575784(B1)
申请公布日期
1988.11.04
申请号
FR19860000398
申请日期
1986.01.07
申请人
PETROLEUM RESEARCH DEVELOPMENT
发明人
MICHAEL SHEPPARD
分类号
E21B7/04;(IPC1-7):E21B7/04;E21B7/06
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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