 |
| |||
| development well drilling | |||
|
forage d'exploitation : 4 a las frases, 3 temas |
| Economía | 1 |
| General | 1 |
| Productos minerales | 2 |
|
| |||
| development well drilling | |||
|
forage d'exploitation : 4 a las frases, 3 temas |
| Economía | 1 |
| General | 1 |
| Productos minerales | 2 |