 |
| |||
| delayed action electro mechanical treadle (Leonid Dzhepko) | |||
| педаль замедленного действия: 2 phrases in 2 subjects |
| Electrical engineering | 1 |
| Rail transport | 1 |
|
| |||
| delayed action electro mechanical treadle (Leonid Dzhepko) | |||
| педаль замедленного действия: 2 phrases in 2 subjects |
| Electrical engineering | 1 |
| Rail transport | 1 |