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经营范围
发明名称
Expandable screen with auxiliary conduit
摘要
申请公布号
AU2003253752(B2)
申请公布日期
2009.02.05
申请号
AU20030253752
申请日期
2003.06.30
申请人
BAKER HUGHES INCORPORATED
发明人
BENNETT M. RICHARD
分类号
E21B43/10;E21B17/10;E21B43/08
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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