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Patent:DE2122783
| Patent: | DE 2122783 |
| Title: | Nullanschlagvorrichtung für Zehnertastatur-Rechen- und Addiermaschinen |
| Date: | 16.11.1972 |
| Place: | Thalfingen |
| Country: | Germany |
| Person: | Weskamp, Gerhard (P) |
| Company: | Walther (P) Büromaschinen GmbH |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE2122783 |
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