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| champ d'alarme (transmission equipment, appareil de transmission); champ de signalisation (transmission equipment, appareil de transmission); unité d'alarme (transmission equipment, appareil de transmission); unité de signalisation (transmission equipment, appareil de transmission) | |||
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alarm unit : 2 phrases, 2 sujets |
| Communications | 1 |
| Général | 1 |