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Patent:DE297090
| Patent: | DE 297090 |
| Title: | Vorrichtung an Rechenmaschinen zum Fördern des Papierstreifens von Hand |
| Date: | 17.06.1913 |
| Place: | St. Louis, USA |
| Country: | Germany |
| Person: | |
| Company: | The Duco (P) Adding Machine Company |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE297090 |
Aus der Patentschrift DE297090
- Patent Family: ( Patent:DE297090, Patent:DE342370, Patent:DE342371, Patent:GB191415924 )