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  • × author_ss:"Pretzsch, J."
  • × theme_ss:"OPAC"
  1. Pretzsch, J.: ¬Der EDV-Katalog der Bibliothek des Deutsches Patentamts (1985) 0.02
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  2. Pretzsch, J.: ¬Der OPAC des Deutschen Patentamts und seine sachlichen Zugriffsmöglichkeiten : Sacherschließung des Buchbestandes der Bibliothek (1988) 0.02
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