 |
| |||
| downhole television unit | |||
| телевизионная установка для исследования ствола: 3 phrases in 2 subjects |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
|
| |||
| downhole television unit | |||
| телевизионная установка для исследования ствола: 3 phrases in 2 subjects |
| Oil and gas | 2 |
| Oil and gas technology | 1 |