 |
| vacuum relief valve: 11 phrases in 8 subjects |
| Armored vehicles | 1 |
| Automatic control | 1 |
| Automobiles | 1 |
| Machinery and mechanisms | 1 |
| Sakhalin | 4 |
| Sakhalin R | 1 |
| Shipbuilding | 1 |
| Tengiz | 1 |
|
| vacuum relief valve: 11 phrases in 8 subjects |
| Armored vehicles | 1 |
| Automatic control | 1 |
| Automobiles | 1 |
| Machinery and mechanisms | 1 |
| Sakhalin | 4 |
| Sakhalin R | 1 |
| Shipbuilding | 1 |
| Tengiz | 1 |