User:Ralf Preußen
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Ph(1986-91) https://de.wikipedia.org/wiki/TH_Leuna-Merseburg
 | This user is an engineer. |
 | This user is a physicist. |
MSc(1991-96) https://de.wikipedia.org/wiki/Martin-Luther-Universit%C3%A4t_Halle-Wittenberg
 | Ralf Preußen has an academic degree — specialist degree. |
Dr.-Ing.(1996-97) https://de.wikipedia.org/wiki/Martin-Luther-Universit%C3%A4t_Halle-Wittenberg
 | This user is an entrepreneur. |
AI(1997-) https://claire-ai.org/industry-supporters/
E.M.B.L.(2008-09) https://de.wikipedia.org/wiki/Universit%C3%A4t_St._Gallen
| de | Dieser Benutzer spricht Deutsch als Muttersprache. |
| en-2 | This user can contribute with an intermediate level of English. |
| ru-1 | Этот участник владеет русским языком на начальном уровне. |