[{WikipediaArticle oldid='254424857'}]

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!!!License Information of Images on page
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| The Wikimedia Commons logo, SVG version.| Original created by Reidab ( PNG version ) SVG version was created by Grunt and cleaned up by 3247 . Re-creation with SVG geometry features by Pumbaa , using a proper partial circle and SVG geometry features. (Former versions used to be slightly warped.)| Reidab , Grunt , 3247 , Pumbaa| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 3.0' align='center' link='https://www.austria-forum.org/cc/by-sa-30.html' target='_blank'}]| Datei:Commons-logo.svg
| Hans-Friedrich von Ploetz 2011 in Hannover.| Diese Datei ist ein Ausschnitt aus einer anderen Datei| Wermuth Asset Management| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 3.0' align='center' link='https://www.austria-forum.org/cc/by-sa-30.html' target='_blank'}]| Datei:Jochen Wermuth at the signing ceremony dedicated to the launch of the Resource efficiency fund ECTF (cropped) - Hans-Friedrich von Ploetz.JPG
| THE KREMLIN, MOSCOW. President Putin with Hans Friedrich von Pletz (right), Ambassador of the Federal Republic of Germany, after a ceremony for presenting credentials.| http://www.kremlin.ru/eng/text/images/41287.shtml| Presidential Press and Information Office| [{Image src='https://www.austria-forum.org/cc/images/slim/by.png' alt='CC BY 4.0' align='center' link='https://www.austria-forum.org/cc/by-40.html' target='_blank'}]| Datei:Vladimir Putin with Hans Friedrich von Pletz.jpg
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