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Patent:US1293219
| Patent: | US 1293219 |
| Title: | Combined type-writing and computing machine |
| Date: | 04.02.1919 |
| Place: | Brooklyn und Ilion, NY |
| Country: | USA |
| Person: | William Garfield Sheldon |
| Company: | Remington (P) Typewriter Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1293219 (espacenet), US1293219 (uspto) |
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