 |
| |||
| persluchtleiding f | |||
| tube à air: 6 phrases in 4 subjects |
| Antennas and waveguides | 1 |
| Earth sciences | 1 |
| Mechanic engineering | 3 |
| Transport | 1 |
|
| |||
| persluchtleiding f | |||
| tube à air: 6 phrases in 4 subjects |
| Antennas and waveguides | 1 |
| Earth sciences | 1 |
| Mechanic engineering | 3 |
| Transport | 1 |