 |
| |||
| Zweitor n | |||
|
a due porte : 8 phrases in 5 subjects |
| Communications | 1 |
| Industry | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 4 |
| Piezoelectric crystals | 1 |
|
| |||
| Zweitor n | |||
|
a due porte : 8 phrases in 5 subjects |
| Communications | 1 |
| Industry | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 4 |
| Piezoelectric crystals | 1 |