 |
| |||
| optical system for the projection; projector optical train; projector optical system | |||
| проекционная оптическая система: 13 phrases in 5 subjects |
| Electronics | 1 |
| General | 3 |
| Mass media | 4 |
| Military | 1 |
| Technology | 4 |
|
| |||
| optical system for the projection; projector optical train; projector optical system | |||
| проекционная оптическая система: 13 phrases in 5 subjects |
| Electronics | 1 |
| General | 3 |
| Mass media | 4 |
| Military | 1 |
| Technology | 4 |