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发明名称
Progressive cavity pump rod guide
摘要
申请公布号
AU2008261133(A1)
申请公布日期
2009.07.16
申请号
AU20080261133
申请日期
2008.12.19
申请人
ROBBINS & MYERS ENERGY SYSTEMS L.P.
发明人
MATTEW S. DAVISON
分类号
E21B17/10;F04C2/107;F04C15/00
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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