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Patent:US2311866
| Patent: | US 2311866 |
| Title: | Combined typewriting and computing machine |
| Date: | 23.02.1943 |
| Place: | Hartford, CT und New York |
| Country: | USA |
| Person: | Pitman, Henry L. (P) |
| Company: | Underwood Elliott-Fisher (P) Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2311866 (espacenet), US2311866 (uspto) |
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