 |
| |||
| hard-faced drilling bit | |||
|
армированное долото : 33 do fraz, 8 tematyki |
| Makarowa | 4 |
| Olej i gaz | 5 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 12 |
| Sachalin | 1 |
| Technika i technologia | 2 |
| Transport | 1 |
| Wiercenie | 7 |
|
| |||
| hard-faced drilling bit | |||
|
армированное долото : 33 do fraz, 8 tematyki |
| Makarowa | 4 |
| Olej i gaz | 5 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 12 |
| Sachalin | 1 |
| Technika i technologia | 2 |
| Transport | 1 |
| Wiercenie | 7 |