 |
| |||
| 3-way bit | |||
| three-way bit; three-winged bit | |||
| three-blade bit | |||
| трёхлопастное долото: 8 do fraz, 5 tematyki |
| Górnictwo | 1 |
| Olej i gaz | 3 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 2 |
| Technologia ropy i gazu | 1 |
|
| |||
| 3-way bit | |||
| three-way bit; three-winged bit | |||
| three-blade bit | |||
| трёхлопастное долото: 8 do fraz, 5 tematyki |
| Górnictwo | 1 |
| Olej i gaz | 3 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 2 |
| Technologia ropy i gazu | 1 |