 |
| |||
| self-recording apparatus | |||
| recorder; recording instrument; recording measuring instrument | |||
| aparato registrador: 40 phrases in 10 subjects |
| Communications | 2 |
| Cultural studies | 2 |
| Electronics | 6 |
| General | 2 |
| Industry | 1 |
| Measuring instruments | 15 |
| Mechanics | 1 |
| Sound recording | 5 |
| Technology | 2 |
| Transport | 4 |