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Patent:DE239590
| Patent: | DE 239590 |
| Title: | Addiermaschine |
| Date: | 27.09.1910 |
| Place: | Baltimore, USA |
| Country: | Germany |
| Person: | Austin, Sydney B. (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE239590 |
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