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Patent:DE121108
| Patent: | DE 121108 |
| Title: | Rechenmaschine mit endlosen Ketten |
| Date: | 10.01.1899 |
| Place: | Chicago, USA |
| Country: | Germany |
| Person: | Goldman, Henry (P), Goldmann, Heinrich (P) |
| Company: | |
| Internal Links: | Golden Gem |
| Keywords: | Kettenaddierer, Kette, Addiermaschine |
| Link to the patent office: (without guarantee) |  DE121108 |
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