 |
| |||
| casing buttress thread (Yeldar Azanbayev); BCSG (маркировка резьбы Yeldar Azanbayev) | |||
|
трапецеидальная резьба обсадных труб : 9 phrases in 5 subjects |
| General | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Sakhalin | 2 |
| Technology | 1 |
|
| |||
| casing buttress thread (Yeldar Azanbayev); BCSG (маркировка резьбы Yeldar Azanbayev) | |||
|
трапецеидальная резьба обсадных труб : 9 phrases in 5 subjects |
| General | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Sakhalin | 2 |
| Technology | 1 |