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| optical element (e.g. window, lens, prism); optical component (e.g. window, lens, prism) | |||
| optic device; optical device | |||
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| optical devices/components | |||
| optics | |||
| optisches Bauelement: 13 phrases in 4 subjects |
| Earth sciences | 1 |
| General | 1 |
| Optics branch of physics | 9 |
| Physics | 2 |
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