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optical components | |||
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optical base assembly | |||
optical node (oleg.vigodsky) |
оптические узлы : 20 phrases in 8 subjects |
Astronautics | 1 |
Communications | 3 |
Electronics | 1 |
Mass media | 4 |
Military | 1 |
Nautical | 3 |
Optics branch of physics | 1 |
Telecommunications | 6 |