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发明名称
Wellbore cleaning devices
摘要
申请公布号
GB201106680(D0)
申请公布日期
2011.06.01
申请号
GB20110006680
申请日期
2009.10.20
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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