| |||
| optisches Bauelement (e.g. window, lens, prism); optisches Element (e.g. window, lens, prism) | |||
| optisches Element | |||
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optical element : 12 phrases in 7 subjects |
| Automated equipment | 3 |
| Communications | 1 |
| Construction | 1 |
| Earth sciences | 1 |
| General | 1 |
| Optics branch of physics | 3 |
| Physics | 2 |