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| dispositif de filtrage des fréquences; filtre de fréquence | |||
| filtre de bande | |||
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| filtrage en fréquence | |||
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frequency filter : 23 phrases in 6 subjects |
| Automated equipment | 5 |
| Communications | 5 |
| Electronics | 2 |
| Information technology | 1 |
| Piezoelectric crystals | 2 |
| Technology | 8 |