 |
| |||
| Umluftanlage f | |||
| Umluftsystem n | |||
| Treibwassersystem n | |||
| Labyrinth-Seal-System n; Labyrinth Seal System | |||
|
recirculation system : 14 a las frases, 7 temas |
| Agricultura | 2 |
| Aparatos médicos | 1 |
| Automóviles | 4 |
| General | 1 |
| Ingeniería mecánica | 3 |
| Tecnología | 2 |
| Transporte | 1 |