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经营范围
发明名称
Improved downhole debris catcher and associated mill
摘要
申请公布号
GB2471591(B)
申请公布日期
2012.10.24
申请号
GB20100014973
申请日期
2009.02.10
申请人
BAKER HUGHES INCORPORATED
发明人
JOHN P DAVIS;JAMES S TRAHAN;PAUL L CONNELL
分类号
E21B27/00;E21B29/00
主分类号
E21B27/00
代理机构
代理人
主权项
地址
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