 |
| |||
| exploration drilling; exploratory boring; exploratory drilling; exploratory well | |||
| exploring drilling | |||
| test boring | |||
| appraisal well | |||
| Untersuchungsbohrung: 2 Phrasen in 1 Thematik |
| Bergbau | 2 |
|
| |||
| exploration drilling; exploratory boring; exploratory drilling; exploratory well | |||
| exploring drilling | |||
| test boring | |||
| appraisal well | |||
| Untersuchungsbohrung: 2 Phrasen in 1 Thematik |
| Bergbau | 2 |