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Patent:SE54561
| Patent: | SE 54561 |
| Title: | Räknemaskin |
| Date: | 10.09.1920 |
| Place: | Leipzig |
| Country: | Sweden |
| Person: | Kuhrt, Ernst (P) |
| Company: | Wilhelm Morell AG |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  SE54561 |
Aus der Patentschrift SE54561