dreibasisch
| dreibasisch | |
| chem. | tribásico |
| |||
| tribásico | |||
|
dreibasisch : 25 phrases in 2 subjects |
| Chemistry | 24 |
| Textile industry | 1 |
| dreibasisch | |
| chem. | tribásico |
| |||
| tribásico | |||
|
dreibasisch : 25 phrases in 2 subjects |
| Chemistry | 24 |
| Textile industry | 1 |