The German Patent Classification (DPK) in German

A list in German of all classes in the German Patent Classification (DPK, Deutsche Patentklassifikation). Each class has a link to a PDF document that contains the class and its subclasses in German. An introduction to the German Patent Classification (DPK) is available here: https://www.prv.se/en/patents/patent-online-services/the-german-patent-classification-dpk/the-german-patent-classification-dpk-in-english/introduction-to-the-german-patent-classification-dpk/