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Patent:DE631132
| Patent: | DE 631132 |
| Title: | Summendruckvorrichtung für rechnende Schreibmaschinen |
| Date: | 17.06.1936 |
| Place: | Sömmerda und Düsseldorf |
| Country: | Germany |
| Person: | Kottmann, August (P) |
| Company: | Rheinmetall (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE631132 |
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