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Patent:DE29817778U
| Patent: | DE 29817778U |
| Title: | Rechenscheibe zur Berechnung von goldenen Proportionswerten |
| Date: | 21.01.1999 |
| Place: | Berlin |
| Country: | Germany |
| Person: | |
| Company: | Thomas Rasche |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE29817778U |
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