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| Datenvermittlung m | |||
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| Datenschalter m | |||
| Datenvermittlung m | |||
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data switching : 26 phrases in 10 subjects |
| Automated equipment | 1 |
| Communications | 12 |
| Computers | 2 |
| General | 1 |
| Information technology | 3 |
| Microelectronics | 2 |
| Satellite communications | 1 |
| Technology | 1 |
| Telecommunications | 2 |
| Telegraphy | 1 |