 |
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| under-reaming bit | |||
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| eccentric underreaming bit | |||
| эксцентричное долото для расширения скважины: 4 phrases in 4 subjects |
| Drilling | 1 |
| Geology | 1 |
| Oil / petroleum | 1 |
| Oilfields | 1 |
|
| |||
| under-reaming bit | |||
| |||
| eccentric underreaming bit | |||
| эксцентричное долото для расширения скважины: 4 phrases in 4 subjects |
| Drilling | 1 |
| Geology | 1 |
| Oil / petroleum | 1 |
| Oilfields | 1 |