| |||
| Schwemmbagger m; Spülbagger m | |||
|
pipeline dredger : 3 phrases in 1 subject |
| Natural resourses and wildlife conservation | 3 |
| |||
| Schwemmbagger m; Spülbagger m | |||
|
pipeline dredger : 3 phrases in 1 subject |
| Natural resourses and wildlife conservation | 3 |