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发明名称
Procédé et appareil perfectionnés de forage
摘要
申请公布号
FR1379818(A)
申请公布日期
1964.11.27
申请号
FR19630951486
申请日期
1963.10.23
申请人
CONTINENTAL OIL COMPANY
发明人
分类号
E21B10/08;E21B10/28;E21B11/00
主分类号
E21B10/08
代理机构
代理人
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地址
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