 |
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| full-gage deflecting drilling bit | |||
| полноразмерное отклоняющее буровое долото: 2 phrases in 2 subjects |
| Oil and gas | 1 |
| Oilfields | 1 |
|
| |||
| full-gage deflecting drilling bit | |||
| полноразмерное отклоняющее буровое долото: 2 phrases in 2 subjects |
| Oil and gas | 1 |
| Oilfields | 1 |