<a href="https://de.wikipedia.org/wiki/Firmenlogo" class="extiw" title="de:Firmenlogo">Logo</a> von <a href="https://de.wikipedia.org/wiki/Bayer_MaterialScience" class="extiw" title="de:Bayer MaterialScience">Bayer MaterialScience</a>
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<a rel="nofollow" class="external free" href="http://www.bayermaterialscience.de/internet/global_portal_cms.nsf/files/de_visionworks_pdf/%24file/VisionWorks_4_2007_de.pdf">http://www.bayermaterialscience.de/internet/global_portal_cms.nsf/files/de_visionworks_pdf/$file/VisionWorks_4_2007_de.pdf</a> <a href="https://de.wikipedia.org/wiki/File:Bayer-Logo.svg" class="extiw" title="de:File:Bayer-Logo.svg">de:File:Bayer-Logo.svg</a>