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We document the generation and the content of the Comprehensive Patent Database (CPDB) of the German Democratic … granted in the GDR and published by the Office of Inventions and Patents (later: German Patent and Trade Mark Office …
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This paper documents the generation and the content of the Comprehensive Patent Database (CPDB) of the German … contains all patents granted in the GDR and published by the Office of Inventions and Patents (AfEP, later: German Patent and … purpose of research on innovation activity in the GDR. …
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