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| Registrierkurve f (прибора) | |||
| кривая записи: 21 phrases in 11 subjects |
| Astronomy | 1 |
| Automated equipment | 1 |
| Chemistry | 2 |
| Cinema equipment | 1 |
| Electronics | 2 |
| Energy industry | 2 |
| Geophysics | 1 |
| Metrology | 1 |
| Photographical sound recording | 6 |
| Technology | 3 |
| Water supply | 1 |