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发明名称
DOWNHOLE TOOL OF HIGH PRESSURE OPERATING CYCLE CAPABILITY
摘要
申请公布号
EP2337924(A1)
申请公布日期
2011.06.29
申请号
EP20090740729
申请日期
2009.10.20
申请人
SPECIALISED PETROLEUM SERVICES GROUP LIMITED
发明人
TELFER, GEORGE
分类号
E21B23/00;E21B43/10
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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