Logo der Zumtobel Lighting GmbH
<p>Zumtobel Group AG.
</p>
<a href="https://en.wikipedia.org/wiki/de:User:Zumtobel_Group" class="extiw" title="w:de:User:Zumtobel Group">Zumtobel Group</a> at <a href="https://en.wikipedia.org/wiki/de:" class="extiw" title="w:de:">German Wikipedia</a>
Zumtobel Group AG