| 发明名称 |
Off-shore drilling barge |
| 摘要 |
|
| 申请公布号 |
US3001593(A) |
申请公布日期 |
1961.09.26 |
| 申请号 |
US19530392592 |
申请日期 |
1953.11.17 |
| 申请人 |
DE LONG CORPORATION |
发明人 |
SUDEROW GEORGE E. |
| 分类号 |
E21B15/00 |
主分类号 |
E21B15/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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