 |
| |||
| Piping block valves (kliuwka) | |||
| Арматура трубопроводная запорная: 7 phrases in 6 subjects |
| Astronautics | 2 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
|
| |||
| Piping block valves (kliuwka) | |||
| Арматура трубопроводная запорная: 7 phrases in 6 subjects |
| Astronautics | 2 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |