 |
| |||
| Kommutierungs-Grenzkurvenbereich f | |||
| Kommutierungs-Grenzkurven f | |||
| |||
| Schwarzstreifen m | |||
| bande noire: 12 phrases in 9 subjects |
| Electric motors | 1 |
| Electric traction | 1 |
| Entomology | 2 |
| Environment | 1 |
| Judo | 2 |
| Life sciences | 1 |
| Mammals | 1 |
| Mechanic engineering | 2 |
| Natural resourses and wildlife conservation | 1 |