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Keywords from Image Description:
Altes chemisches institut bergakademie freiberg k. en Old Chemical Institute Freiberg University of Mining Brennhausgasse living and workingplace of Clemens Winkler ca de Altes chemisches Institut Bergakademie Freiberg Brennhausgasse Lebens und Arbeitssttte von Clemens Winkler ClemensWinkler Ehrung author PDold Historic views