World Patent Index
| Document Code | CEP/IV/13 |
| Related Meeting(s) | CEP/IV |
| Publication Date | September 6, 1968 |
| English | World Patent Index Report of the Director of BIRPI |
| Français | Index Mondial de Brevets Rapport du Directeur des BIRPI |
| Document Code | CEP/IV/13 |
| Related Meeting(s) | CEP/IV |
| Publication Date | September 6, 1968 |
| English | World Patent Index Report of the Director of BIRPI |
| Français | Index Mondial de Brevets Rapport du Directeur des BIRPI |