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经营范围
发明名称
Expandable packer
摘要
申请公布号
GB2396376(A)
申请公布日期
2004.06.23
申请号
GB20040003667
申请日期
2002.08.21
申请人
* WEATHERFORD/LAMB INC
发明人
ROBERT JOE * COON
分类号
E21B23/06;E21B33/12;E21B43/10;(IPC1-7):E21B43/10
主分类号
E21B23/06
代理机构
代理人
主权项
地址
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