 |
| |||
| pipeline control valves | |||
| трубопроводная запорная и регулировочная арматура: 2 phrases in 2 subjects |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
|
| |||
| pipeline control valves | |||
| трубопроводная запорная и регулировочная арматура: 2 phrases in 2 subjects |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |