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Patent:DE1926717
| Patent: | DE 1926717 |
| Title: | Rechenscheibe |
| Date: | 24.05.1969 |
| Place: | Heidenheim |
| Country: | Germany |
| Person: | Herter, Erich (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE1926717 |
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