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Patent:US1232066
| Patent: | US 1232066 |
| Title: | Calculating Device |
| Date: | 03.07.1917 |
| Place: | |
| Country: | USA |
| Person: | J. B. Moody |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1232066 (espacenet), US1232066 (uspto) |
Aus der Patentschrift US1232066