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发明名称
Pipe selection guide system with flexible member
摘要
申请公布号
GB201104751(D0)
申请公布日期
2011.05.04
申请号
GB20110004751
申请日期
2009.09.30
申请人
NATIONAL OILWELL VARCO, L.P.
发明人
分类号
主分类号
代理机构
代理人
主权项
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