 |
| |||
| addition de bore; apport de bore; augmentation de la teneur en bore | |||
|
borating : 4 a las frases, 3 temas |
| General | 1 |
| Minería | 1 |
| Química | 2 |
|
| |||
| addition de bore; apport de bore; augmentation de la teneur en bore | |||
|
borating : 4 a las frases, 3 temas |
| General | 1 |
| Minería | 1 |
| Química | 2 |