 |
| |||
| filtre sélectif; filtre chromatique; filtre coloré | |||
|
colour screen : 7 phrases in 4 subjects |
| Antennas and waveguides | 1 |
| Hobbies and pastimes | 1 |
| Industry | 2 |
| Information technology | 3 |
|
| |||
| filtre sélectif; filtre chromatique; filtre coloré | |||
|
colour screen : 7 phrases in 4 subjects |
| Antennas and waveguides | 1 |
| Hobbies and pastimes | 1 |
| Industry | 2 |
| Information technology | 3 |