 |
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| насосная штанга с двумя ниппельными концами (Катерина С) | |||
| pin- and -pin sucker rod: 4 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
|
| |||
| насосная штанга с двумя ниппельными концами (Катерина С) | |||
| pin- and -pin sucker rod: 4 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |