| 发明名称 |
Hydraulic well packer |
| 摘要 |
|
| 申请公布号 |
GB0300016(D0) |
申请公布日期 |
2003.02.05 |
| 申请号 |
GB20030000016 |
申请日期 |
1999.08.31 |
| 申请人 |
CAMCO INTERNATIONAL INC. |
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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