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Patent:DE273052
| Patent: | DE 273052 |
| Title: | Zehnerschaltvorrichtung für Zählwerke von Rechenmaschinen |
| Date: | 14.12.1912 |
| Place: | Braunschweig |
| Country: | Germany |
| Person: | Trinks, Franz (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE273052 |