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| Schaltzeit f; Verbindungsdauer f | |||
| Verbindungszeit f | |||
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| Takt auf der Leitung | |||
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circuit time : 70 phrases in 10 subjects |
| Automated equipment | 6 |
| Communications | 8 |
| Economics | 1 |
| Electric motors | 9 |
| Electronics | 15 |
| Measuring instruments | 2 |
| Mechanic engineering | 9 |
| Microelectronics | 3 |
| Physics | 2 |
| Technology | 15 |