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Patent:DE653855
| Patent: | DE 653855 |
| Title: | Logarithmische Rechenvorrichtung |
| Date: | 04.12.1937 |
| Place: | Lausanne, Schweiz |
| Country: | Germany |
| Person: | Baer, Georges (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE653855 |
Aus der Patentschrift DE653855