File:Patentschrift no1.jpg

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Description Deckblatt des ersten Reichspatents von 1877 zur Herstellung des Farbstoffs Ultramarin
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Source Deutsches Patent- und Markenamt (DPMA)
Author Wahnfried
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Date/TimeThumbnailDimensionsUserComment
current14:11, 11 October 2006Thumbnail for version as of 14:11, 11 October 20061,296 × 1,753 (96 KB)Wahnfried (talk | contribs){{Information |Description=Deckblatt des ersten Reichspatents von 1877. |Source=DPMA |Date=11.10.2006 |Author=wahnfried |Permission= |other_versions= }}

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