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Patent:DE172894
| Patent: | DE 172894 |
| Title: | Zehnerschaltvorrichtung, ähnlich in Hannovera CK |
| Date: | 01.01.1905 |
| Place: | |
| Country: | Germany |
| Person: | Hiller, Gustav (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE172894 |
Aus der Patentschrift DE172894