 |
| |||
| Anfangskurve f | |||
| начальная кривая: 9 phrases in 6 subjects |
| Astronomy | 4 |
| Cinema equipment | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Photographical sound recording | 1 |
| Sound recording | 1 |
|
| |||
| Anfangskurve f | |||
| начальная кривая: 9 phrases in 6 subjects |
| Astronomy | 4 |
| Cinema equipment | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Photographical sound recording | 1 |
| Sound recording | 1 |