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| pipeline control valves | |||
| трубопроводная регулировочная арматура: 8 phrases in 6 subjects |
| Astronautics | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 1 |
|
| |||
| pipeline control valves | |||
| трубопроводная регулировочная арматура: 8 phrases in 6 subjects |
| Astronautics | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 1 |