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发明名称
Means for controlling directional deviations in a well bore
摘要
申请公布号
US3043381(A)
申请公布日期
1962.07.10
申请号
US19600027467
申请日期
1960.05.05
申请人
MCNEELY JR BRANCH M
发明人
JR. BRANCH M. MCNEELY,
分类号
E21B7/06;E21B7/08
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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