 |
| |||
| bit blade; bit cutting blade; bit wing; drilling bit blade | |||
| blade | |||
|
лопасть долота : 18 do fraz, 5 tematyki |
| Olej i gaz | 4 |
| Pola naftowe | 5 |
| Ropa / ropa naftowa | 5 |
| Technologia ropy i gazu | 3 |
| Wiercenie | 1 |
|
| |||
| bit blade; bit cutting blade; bit wing; drilling bit blade | |||
| blade | |||
|
лопасть долота : 18 do fraz, 5 tematyki |
| Olej i gaz | 4 |
| Pola naftowe | 5 |
| Ropa / ropa naftowa | 5 |
| Technologia ropy i gazu | 3 |
| Wiercenie | 1 |