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发明名称
Tubing catcher and positive actuating mechanism therefor
摘要
申请公布号
US2153934(A)
申请公布日期
1939.04.11
申请号
US19350026884
申请日期
1935.06.15
申请人
MCKISSICK WILLIAM H
发明人
MCKISSICK WILLIAM H.
分类号
E21B23/01
主分类号
E21B23/01
代理机构
代理人
主权项
地址
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