Category:Biogas plants in North Rhine-Westphalia
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Federal states of Germany:
![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Flag_of_North_Rhine-Westphalia.svg/30px-Flag_of_North_Rhine-Westphalia.svg.png)
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- Biogas plants in Kreis Kleve (9 F)
This category has only the following subcategory.