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发明名称
A downhole tool
摘要
申请公布号
GB2416175(A)
申请公布日期
2006.01.18
申请号
GB20050013219
申请日期
2005.06.29
申请人
HAMDEEN INCORPORATED LIMITED
发明人
RICHARD KEITH BOOTH
分类号
E21B21/10;E21B
主分类号
E21B21/10
代理机构
代理人
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地址
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