| |||
| plain core barrel; single-core barrel; single-tube core barrel | |||
| single core barrel | |||
|
Einfachkernrohr : 8 phrases in 3 subjects |
| Drilling | 3 |
| Mining | 2 |
| Technology | 3 |
| |||
| plain core barrel; single-core barrel; single-tube core barrel | |||
| single core barrel | |||
|
Einfachkernrohr : 8 phrases in 3 subjects |
| Drilling | 3 |
| Mining | 2 |
| Technology | 3 |