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发明名称
Electric wireline insert safety valve
摘要
申请公布号
GB201101638(D0)
申请公布日期
2011.03.16
申请号
GB20110001638
申请日期
2009.07.15
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
主分类号
代理机构
代理人
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地址
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