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Patent:DE590137
| Patent: | DE 590137 |
| Title: | Rechenmaschine mit selbsttätiger Multipliziervorrichtung |
| Date: | 29.12.1933 |
| Place: | SSömmerda |
| Country: | Germany |
| Person: | Kottmann, August (P) |
| Company: | Rheinmetall (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE590137 |
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