Logo of the austrian company "Böhler".
<a href="https://de.wikipedia.org/wiki/B%C3%B6hler_Bleche" class="extiw" title="de:Böhler Bleche">Böhler Bleche</a>
<a rel="nofollow" class="external free" href="https://www.bohler-bleche.com/app/uploads/sites/92/2019/09/S000De.pdf">https://www.bohler-bleche.com/app/uploads/sites/92/2019/09/S000De.pdf</a>