| 发明名称 |
Способ промывки скважин |
| 摘要 |
|
| 申请公布号 |
SU113656(A1) |
申请公布日期 |
1957.11.30 |
| 申请号 |
SU19550575209 |
申请日期 |
1955.02.04 |
| 申请人 |
GUSMAN M.T. |
发明人 |
GUSMAN M.T. |
| 分类号 |
E21B21/00;E21B21/12 |
主分类号 |
E21B21/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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