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经营范围
发明名称
Hydrostatically Actuated Packer
摘要
申请公布号
GB9718394(D0)
申请公布日期
1997.11.05
申请号
GB19970018394
申请日期
1997.08.29
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B33/1295
主分类号
E21B33/1295
代理机构
代理人
主权项
地址
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