 |
| |||
| НИИ гражданской обороны | |||
| Civil Defense institute: 5 phrases in 3 subjects |
| Oil and gas | 3 |
| Oil processing plants | 1 |
| Security systems | 1 |
|
| |||
| НИИ гражданской обороны | |||
| Civil Defense institute: 5 phrases in 3 subjects |
| Oil and gas | 3 |
| Oil processing plants | 1 |
| Security systems | 1 |