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Patent:DE1224543
| Patent: | DE 1224543 |
| Title: | Zehnerschaltvorrichtung für Rechenmaschinen |
| Date: | 08.09.1966 |
| Place: | Clamart, Seine und Paris |
| Country: | Germany |
| Person: | Gilbert de Changy |
| Company: | Electricité de France - Service National - Direction des Études et Recherches |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE1224543 |
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