The German Patent Classification (DPK) in English
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https://data.europa.eu/data/datasets/https-data-prv-se-dataset-jsp-uuid-43cbd68a99da4113b6a91acdf0cb8f03230d170b03254d1780bdf4c3d6ce459e?locale=en
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资源简介：
A list in English 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 English.
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/
提供机构：
Patent- och registreringsverket
