 |
| |||
| reamer shell; reaming ring | |||
| reamer body; reaming shell | |||
| blank reaming shell (без резцов или алмазов); hole opener body; underreamer body | |||
| корпус расширителя: 4 phrases in 2 subjects |
| Mining | 1 |
| Oil / petroleum | 3 |
|
| |||
| reamer shell; reaming ring | |||
| reamer body; reaming shell | |||
| blank reaming shell (без резцов или алмазов); hole opener body; underreamer body | |||
| корпус расширителя: 4 phrases in 2 subjects |
| Mining | 1 |
| Oil / petroleum | 3 |