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| Parallelstrahlenbündel n | |||
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pencil of : 40 phrases in 13 subjects |
| Astronomy | 2 |
| Chemistry | 2 |
| Construction | 1 |
| Cultural studies | 1 |
| Earth sciences | 2 |
| General | 1 |
| Mathematics | 3 |
| Microelectronics | 2 |
| Optics branch of physics | 9 |
| Physics | 2 |
| Scientific | 4 |
| Technology | 10 |
| Textile industry | 1 |