 |
| |||
| gas detection (Alexander Demidov) | |||
| газообнаружение: 8 phrases in 7 subjects |
| Caspian | 2 |
| Construction | 1 |
| General | 1 |
| Security systems | 1 |
| Signalling | 1 |
| Technology | 1 |
| Tengiz | 1 |
|
| |||
| gas detection (Alexander Demidov) | |||
| газообнаружение: 8 phrases in 7 subjects |
| Caspian | 2 |
| Construction | 1 |
| General | 1 |
| Security systems | 1 |
| Signalling | 1 |
| Technology | 1 |
| Tengiz | 1 |