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发明名称
Pumpdown tool and valve
摘要
申请公布号
GB2424233(A)
申请公布日期
2006.09.20
申请号
GB20060003394
申请日期
2006.02.21
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
GARY RYTLEWSKI;ASHISH SHARMA;LIANA M MITREA
分类号
E21B34/14;E21B41/00;E21B43/14
主分类号
E21B34/14
代理机构
代理人
主权项
地址
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