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Patent:DE1839275u
| Patent: | DE 1839275u |
| Title: | Rechenschieber zum Multiplizieren zweier Faktoren |
| Date: | 31.07.1961 |
| Place: | Berlin |
| Country: | Germany |
| Person: | Kübler, Carl |
| Company: | Addiator (P) |
| Internal Links: | Addiator Calculex |
| Keywords: | Multiplikation, Tabelle |
| Link to the patent office: (without guarantee) |  DE1839275u |
Gebrauchsmuster, erteilt 12.10.1961
GM 1839275
GM 1839275 Bild