dreibasisch
| dreibasisch | |
| chem. | tribasico |
| |||
| tribasico | |||
|
dreibasisch : 20 phrases in 2 subjects |
| Chemistry | 19 |
| Textile industry | 1 |
| dreibasisch | |
| chem. | tribasico |
| |||
| tribasico | |||
|
dreibasisch : 20 phrases in 2 subjects |
| Chemistry | 19 |
| Textile industry | 1 |