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发明名称
System and method for selectively communicatable hydraulic nipples
摘要
申请公布号
AU2009200871(A1)
申请公布日期
2009.10.01
申请号
AU20090200871
申请日期
2009.03.05
申请人
BJ SERVICES COMPANY
发明人
JEFFREY L. BOLDING;DEWAYNE TURNER
分类号
E21B34/06
主分类号
E21B34/06
代理机构
代理人
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