Patent data by industry
evidence for invention potential exhaustion?
Edición de la obra Patent data by industry
| Autor | Evenson, Robert E. |
|---|---|
| Editorial | Economic Growth Center, Yale University |
| Fecha de publicación | 1991 |
| Lugar | New Haven, Conn |
| Idioma | inglés |
| Páginas | 30 |
| LCCN | 91157384 |
| Serie | Center discussion paper ; · no. 620 · Center discussion paper (Yale University. Economic Growth Center) ; |
| Número de Cutter | E93p |