![[Main Page]](/en/upload/wiki.png)
Main Page
Patent:DE346148
| Patent: | DE 346148 |
| Title: | Sperrvorrichtung für den Operationshebel und die Repetiertaste von Rechenmaschinen |
| Date: | 06.06.1920 |
| Place: | Essen |
| Country: | Germany |
| Person: | |
| Company: | Fried. Krupp (P) AG |
| Internal Links: | |
| Keywords: | Sperre |
| Link to the patent office: (without guarantee) |  DE346148 |
.