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| Prüfstand m | |||
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| optische Bank für Prüfzwecke | |||
| testing bench: 17 phrases in 9 subjects |
| Computers | 1 |
| Construction | 1 |
| Electronics | 1 |
| General | 2 |
| Measuring instruments | 3 |
| Microelectronics | 1 |
| Natural resourses and wildlife conservation | 3 |
| Optics branch of physics | 4 |
| Technology | 1 |