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Patent:US1609335
| Patent: | US 1609335 |
| Title: | Adding machine |
| Date: | 07.12.1926 |
| Place: | New Haven und Detroit |
| Country: | USA |
| Person: | Wales, Charles (P) |
| Company: | Burroughs (P) Adding Machine Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1609335 (espacenet), US1609335 (uspto) |
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