The U.S. patent system in transition : policy innovations and the innovation process
| 1. Verfasser: | |
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Cambridge
National Bureau of Economic Research
1999.
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| Schriftenreihe: | NBER working paper series
no.7280 |
| Schlagworte: |