 |
| |||
| трубная головка с сальниковым устройством | |||
| stuffing-box casing head: 5 phrases in 3 subjects |
| Mining | 2 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
|
| |||
| трубная головка с сальниковым устройством | |||
| stuffing-box casing head: 5 phrases in 3 subjects |
| Mining | 2 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |