Showing 1 - 10 of 795
Persistent link: https://www.econbiz.de/10002563231
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
Persistent link: https://www.econbiz.de/10002260769
Persistent link: https://www.econbiz.de/10002911519
Persistent link: https://www.econbiz.de/10002911524
Persistent link: https://www.econbiz.de/10002036646
Persistent link: https://www.econbiz.de/10001943477
Persistent link: https://www.econbiz.de/10003165854
Persistent link: https://www.econbiz.de/10002612875
Persistent link: https://www.econbiz.de/10001098189