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| Tastensystem n | |||
| Büro-Nebenstellenanlage f | |||
| Reihenanlage f; Sprechsystem n; Wechselsprechanlage f | |||
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| Reihenanlage f | |||
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key system : 27 phrases in 9 subjects |
| Business | 1 |
| Communications | 10 |
| Finances | 1 |
| General | 3 |
| Information technology | 5 |
| Law | 2 |
| Microsoft | 1 |
| Telecommunications | 3 |
| Transport | 1 |