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Patent:DE274830
| Patent: | DE 274830 |
| Title: | Additionsvorrichtung |
| Date: | 03.06.1914 |
| Place: | Berlin |
| Country: | Germany |
| Person: | |
| Company: | Geldzahlmaschinen GmbH |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE274830 |
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