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Heinrich Dreser Laboratorium. Pharmakologische Laboratorium der Bayer AG damals Farbenfabriken vorm Friedr Bayer Co in Elberfeld Es handelt sich hier um den Neubau des Hauptlabors von news bayer de nsf file pdf Meilensteine ff Heinrich Dreser Oktober in Darmstadt Dezember in Zrich scan from Michael de Ridder Heroin CampusVerlag