 |
| |||
| main rotor system (Киселев) | |||
| rotorcraft flight structure | |||
| несущая система вертолёта: 4 phrases in 4 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Military | 1 |
| Trademark | 1 |
|
| |||
| main rotor system (Киселев) | |||
| rotorcraft flight structure | |||
| несущая система вертолёта: 4 phrases in 4 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Military | 1 |
| Trademark | 1 |