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发明名称
APPARATUS AND METHOD FOR PUMPING FLUID
摘要
申请公布号
CA2650386(A1)
申请公布日期
2007.11.08
申请号
CA20062650386
申请日期
2006.12.07
申请人
NATIONAL OILWELL VARCO, L.P.
发明人
URQUHART, RICHARD
分类号
F04B17/04;F04B23/06
主分类号
F04B17/04
代理机构
代理人
主权项
地址
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