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| if-amplifier; intermediate frequency amplifier | |||
| if amplifier | |||
| IF amplifier (intermediate-frequency amplifier) | |||
| i.f. amplifier (intermediate-frequency amplifier) | |||
| intermediate-frequency amplifier | |||
| IF strip | |||
| усилитель промежуточной частоты: 17 do fraz, 5 tematyki |
| Elektronika | 2 |
| Makarowa | 1 |
| Publikatory środki masowego przekazu | 6 |
| Technika i technologia | 6 |
| Wojskowość | 2 |