 |
| |||
| Vierspurverfahren n | |||
| Vierzackenschrift f | |||
| Vierspuraufzeichnung f | |||
| четырёхдорожечная запись: 5 phrases in 5 subjects |
| Cinema equipment | 1 |
| Photographical sound recording | 1 |
| Radio | 1 |
| Sound recording | 1 |
| Technology | 1 |
|
| |||
| Vierspurverfahren n | |||
| Vierzackenschrift f | |||
| Vierspuraufzeichnung f | |||
| четырёхдорожечная запись: 5 phrases in 5 subjects |
| Cinema equipment | 1 |
| Photographical sound recording | 1 |
| Radio | 1 |
| Sound recording | 1 |
| Technology | 1 |