| 发明名称 |
ANNULAR SEAL |
| 摘要 |
|
| 申请公布号 |
AU6508680(A) |
申请公布日期 |
1981.09.03 |
| 申请号 |
AU19800065086 |
申请日期 |
1980.12.04 |
| 申请人 |
HALLIBURTON CO. |
发明人 |
M.G. BALDRIDGE |
| 分类号 |
E02B17/00 |
主分类号 |
E02B17/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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