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发明名称
Tubing make-up device
摘要
申请公布号
US2332685(A)
申请公布日期
1943.10.26
申请号
US19410390408
申请日期
1941.04.25
申请人
PHILLIPS PETROLEUM COMPANY;E. J. LONGYEAR COMPANY
发明人
AULD DONALD W.;ANDERSON OLOF B.
分类号
E21B19/16
主分类号
E21B19/16
代理机构
代理人
主权项
地址
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