Showing 1 - 8 of 8
Persistent link: https://www.econbiz.de/10003427799
Persistent link: https://www.econbiz.de/10001445516
Persistent link: https://www.econbiz.de/10001445518
Persistent link: https://www.econbiz.de/10001445544
Persistent link: https://www.econbiz.de/10001448705
Persistent link: https://www.econbiz.de/10001187826
Persistent link: https://www.econbiz.de/10001041104
We document the generation and the content of the Comprehensive Patent Database (CPDB) of the German Democratic Republic (GDR) (1949-1990), which is freely available at GESIS https://doi.org/10.7802/2448. The database contains all patents granted in the GDR and published by the Office of...
Persistent link: https://www.econbiz.de/10014515582