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| an der Wasseroberfläche angebrachte Instrumente; an der Wasseroberfläche angebrachte Installation | |||
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instruments de surface : 3 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 2 |
| Patents | 1 |
| |||
| an der Wasseroberfläche angebrachte Instrumente; an der Wasseroberfläche angebrachte Installation | |||
|
instruments de surface : 3 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 2 |
| Patents | 1 |