 |
| |||
| frame of the bit | |||
| bit body; bit frame; bit shank; drill shank; frame of bit | |||
| drilling bit body | |||
|
корпус долота : 11 do fraz, 6 tematyki |
| Olej i gaz | 2 |
| Rolnictwo | 1 |
| Ropa / ropa naftowa | 3 |
| Technika i technologia | 1 |
| Wiercenie | 3 |
| Włókiennictwo | 1 |
|
| |||
| frame of the bit | |||
| bit body; bit frame; bit shank; drill shank; frame of bit | |||
| drilling bit body | |||
|
корпус долота : 11 do fraz, 6 tematyki |
| Olej i gaz | 2 |
| Rolnictwo | 1 |
| Ropa / ropa naftowa | 3 |
| Technika i technologia | 1 |
| Wiercenie | 3 |
| Włókiennictwo | 1 |