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发明名称
Dual pump system
摘要
申请公布号
GB2361017(A)
申请公布日期
2001.10.10
申请号
GB20010005974
申请日期
2001.03.12
申请人
* PUMP TOOLS LIMITED
发明人
PAUL * SHOTTER
分类号
E21B43/12;(IPC1-7):E21B43/12
主分类号
E21B43/12
代理机构
代理人
主权项
地址
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