 |
| |||
| Luft-Wasserstrahl f (zur Reinigung von Beton und Gesteinsoberflächen) | |||
| air-water jet: 3 phrases in 3 subjects |
| Natural resourses and wildlife conservation | 1 |
| Physics | 1 |
| Technology | 1 |
|
| |||
| Luft-Wasserstrahl f (zur Reinigung von Beton und Gesteinsoberflächen) | |||
| air-water jet: 3 phrases in 3 subjects |
| Natural resourses and wildlife conservation | 1 |
| Physics | 1 |
| Technology | 1 |