 |
| |||
| mud bit | |||
| center bit; diamond bit; diamond-point bit; spud bit | |||
| spade | |||
| pointed bit; pick chisel | |||
| diamond point bit | |||
| пикообразное долото: 15 do fraz, 5 tematyki |
| Olej i gaz | 2 |
| Pola naftowe | 3 |
| Ropa / ropa naftowa | 8 |
| Sachalin | 1 |
| Technologia ropy i gazu | 1 |
|
| |||
| mud bit | |||
| center bit; diamond bit; diamond-point bit; spud bit | |||
| spade | |||
| pointed bit; pick chisel | |||
| diamond point bit | |||
| пикообразное долото: 15 do fraz, 5 tematyki |
| Olej i gaz | 2 |
| Pola naftowe | 3 |
| Ropa / ropa naftowa | 8 |
| Sachalin | 1 |
| Technologia ropy i gazu | 1 |