 |
| |||
| alligator; floor clamp; foot clamp | |||
| automatic spider; rod clamp; safety clamp | |||
| |||
| rotary slip; slip | |||
| split bushing slip | |||
| Abfangkeile: 2 phrases in 2 subjects |
| Drilling | 1 |
| Mechanic engineering | 1 |
|
| |||
| alligator; floor clamp; foot clamp | |||
| automatic spider; rod clamp; safety clamp | |||
| |||
| rotary slip; slip | |||
| split bushing slip | |||
| Abfangkeile: 2 phrases in 2 subjects |
| Drilling | 1 |
| Mechanic engineering | 1 |