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| усилительная электронная лампа | |||
| ламповый усилитель; усилительная лампа | |||
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tube amplificateur : 20 phrases in 8 subjects |
| Antennas and waveguides | 1 |
| Automated equipment | 1 |
| Measuring instruments | 2 |
| Medical appliances | 4 |
| Nuclear physics | 1 |
| Radio | 5 |
| Technology | 5 |
| Радиоактивное излучение | 1 |
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