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Patent:AT28771B
| Patent: | AT 28771B |
| Title: | Rechenmaschine |
| Date: | 10.06.1907 |
| Place: | Glashütte |
| Country: | Austria |
| Person: | Burkhardt, Arthur (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  AT28771B |
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