Historical logo of the company Bien-Zenker
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external free" href="http://www.bien-zenker.de/nmn/web/reports/reportDownload.php?id=43">http://www.bien-zenker.de/nmn/web/reports/reportDownload.php?id=43</a>