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| system | |
| gen. | Methode; System; Anlage |
| refrig. | System |
| tech. | Anlage; Anordnung; Bauart; Netz; Netzverbund; Bezugssystem datum |
|
call processing : 19 phrases in 4 subjects |
| Communications | 12 |
| Information technology | 1 |
| Technology | 1 |
| Telecommunications | 5 |