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Patent:DE404405
| Patent: | DE 404405 |
| Title: | Tastenlörschvorrichtung für Registrierkassen und Rechenmaschinen |
| Date: | 18.10.1924 |
| Place: | Essen-West und Essen, Ruhr |
| Country: | Germany |
| Person: | Breitling, Ernst (P) |
| Company: | Fried. Krupp (P) AG |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE404405 |
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