 |
| |||
| addition de bore; apport de bore; augmentation de la teneur en bore | |||
| borating: 5 phrases in 4 subjects |
| Chemistry | 2 |
| General | 1 |
| Mining | 1 |
| Pharmacy and pharmacology | 1 |
|
| |||
| addition de bore; apport de bore; augmentation de la teneur en bore | |||
| borating: 5 phrases in 4 subjects |
| Chemistry | 2 |
| General | 1 |
| Mining | 1 |
| Pharmacy and pharmacology | 1 |