 |
optically | inactive
| Inactive | |
| comp., MS | Nieaktywny |
| inactive | |
| chem. | nieczynny |
| optically: 13 phrases in 6 subjects |
| Analytical chemistry | 1 |
| Antennas and waveguides | 1 |
| Chemistry | 6 |
| Communications | 2 |
| Mineralogy | 2 |
| Natural sciences | 1 |