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Patent:US913860
| Patent: | US 913860 |
| Title: | Adding machine |
| Date: | 02.03.1909 |
| Place: | Detroit |
| Country: | USA |
| Person: | Vincent, Jesse Gurney (P) |
| Company: | Burroughs (P) Adding Machine Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US913860 (espacenet), US913860 (uspto) |
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