Research output per year
Research output per year
Research output: Patent
| Original language | Portuguese |
|---|---|
| Patent number | PT102698 |
| IPC | G09B7/00,H04N7/15,G06F17/60 |
| Priority date | 6/12/01 |
| Filing date | 6/12/01 |
| Publication status | Refused/Withdrawn - 11 Aug 2005 |
Research output: Patent
Research output: Patent