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Patent:US1226064
| Patent: | US 1226064 |
| Title: | Adding Machine |
| Date: | 15.05.1917 |
| Place: | |
| Country: | USA |
| Person: | G. Cordts |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1226064 (espacenet), US1226064 (uspto) |
Aus der Patentschrift US1226064