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| filter optical | |||
| фильтр оптический: 39 phrases in 14 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Electronics | 5 |
| Energy industry | 1 |
| Household appliances | 1 |
| Makarov | 3 |
| Mass media | 11 |
| Nanotechnology | 2 |
| Navigation | 1 |
| Optics branch of physics | 1 |
| Photography | 3 |
| Quantum electronics | 2 |
| Security systems | 1 |
| Technology | 6 |