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Patent:US1512856
| Patent: | US 1512856 |
| Title: | Astronomical nautical apparatus |
| Date: | 21.10.1924 |
| Place: | Trieste |
| Country: | USA |
| Person: | Francesco Nuschak |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1512856 (espacenet), US1512856 (uspto) |
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