| |||
| surveillance des fréquences; écoute des fréquences | |||
| surveillance de fréquence | |||
|
frequency monitoring : 4 phrases in 2 subjects |
| Communications | 3 |
| Medical appliances | 1 |
| |||
| surveillance des fréquences; écoute des fréquences | |||
| surveillance de fréquence | |||
|
frequency monitoring : 4 phrases in 2 subjects |
| Communications | 3 |
| Medical appliances | 1 |