 |
| |||
| design study | |||
|
исследовательское проектирование : 15 phrases in 4 subjects |
| Aviation | 1 |
| Military | 1 |
| Rail transport | 1 |
| Soviet | 12 |
|
| |||
| design study | |||
|
исследовательское проектирование : 15 phrases in 4 subjects |
| Aviation | 1 |
| Military | 1 |
| Rail transport | 1 |
| Soviet | 12 |