 |
أشعة | تحت الحمراء
| تحت الحمراء | |
| antenn. opt. | Infrarot |
| أشعة: 30 phrases in 4 subjects |
| Antennas and waveguides | 1 |
| Environment | 7 |
| Lighting other than cinema | 8 |
| Thermal Energy | 14 |
|
| تحت الحمراء | |
| antenn. opt. | Infrarot |
| أشعة: 30 phrases in 4 subjects |
| Antennas and waveguides | 1 |
| Environment | 7 |
| Lighting other than cinema | 8 |
| Thermal Energy | 14 |