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Patent:US710288
| Patent: | US 710288 |
| Title: | Computing Chart |
| Date: | 30.09.1902 |
| Place: | |
| Country: | USA |
| Person: | L. B. Manley |
| Company: | |
| Internal Links: | Datumsrechner |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US710288 (espacenet), US710288 (uspto) |
Aus der Patentschrift US710288