![[Main Page]](/en/upload/wiki.png)
Main Page
Patent:SE63720
| Patent: | SE 63720 |
| Title: | Räknemaskin av Odhnertyp med tangentinställning |
| Date: | 06.02.1923 |
| Place: | Piedmont, CA |
| Country: | Sweden |
| Person: | Friden, Carl Mauritz Fredrick (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  SE63720 |
Aus der Patentschrift SE63720