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Patent:US1847429
| Patent: | US 1847429 |
| Title: | Writing adding machine |
| Date: | 01.03.1932 |
| Place: | Harrisburg, PA |
| Country: | USA |
| Person: | Foothorap, Harry Arthur (P) |
| Company: | Elliott-Fisher (P) Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1847429 (espacenet), US1847429 (uspto) |
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