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经营范围
发明名称
Expandable devices and methods
摘要
申请公布号
GB0318280(D0)
申请公布日期
2003.09.10
申请号
GB20030018280
申请日期
2003.08.05
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
分类号
E21B43/10
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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