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Patent:AT40948B
| Patent: | AT 40948B |
| Title: | Addiermaschine mit Kettenantrieb |
| Date: | 10.02.1910 |
| Place: | Brooklin |
| Country: | Austria |
| Person: | Goldfarb, Nathan (P) und Drusin, Abraham (P) |
| Company: | |
| Internal Links: | Triumph Adding Machine |
| Keywords: | Kettenaddierer |
| Link to the patent office: (without guarantee) |  AT40948B |
Siehe Patent:GB190820028