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发明名称
Hydraulically actuated orienting device
摘要
申请公布号
US3313360(A)
申请公布日期
1967.04.11
申请号
US19650424530
申请日期
1965.01.11
申请人
EASTMAN OIL WELL SURVEY
发明人
FRISBY THOMAS M.
分类号
E21B47/024
主分类号
E21B47/024
代理机构
代理人
主权项
地址
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