Category:Geothermal collector

Media in category "Geothermal collector"

The following 2 files are in this category, out of 2 total.

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  Sindelfingen Haus & Energie 2015 by-RaBoe 069.jpg 738 × 1,111; 644 KB
  
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  Sindelfingen Haus & Energie 2015 by-RaBoe 070.jpg 738 × 1,111; 743 KB