Patent:DE76684
Patent: | DE 76684 |
Title: | Rechenscheibe |
Date: | 14.06.1893 |
Place: | Sofia |
Country: | Germany |
Person: | Alexieff |
Company: | |
Internal Links: | Rechenscheibe |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |

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Patent: | DE 76684 |
Title: | Rechenscheibe |
Date: | 14.06.1893 |
Place: | Sofia |
Country: | Germany |
Person: | Alexieff |
Company: | |
Internal Links: | Rechenscheibe |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |