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Patent:DE90661
| Patent: | DE 90661 |
| Title: | Additionsmaschine |
| Date: | 06.11.1895 |
| Place: | Maros-Basarhely, Ungarn |
| Country: | Germany |
| Person: | Lazar, Graf E. (P) und Tamas, I (P) |
| Company: | |
| Internal Links: | |
| Keywords: | Addiermaschine |
| Link to the patent office: (without guarantee) |  DE90661 |
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