Patent:DE137816
Patent: | DE 137816 |
Title: | Logarithmischer Rechenschieber |
Date: | 25.02.1902 |
Place: | Golzern i.S. |
Country: | Germany |
Person: | Kron, Rudolf |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
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