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Patent:CH190203
| Patent: | CH 190203 |
| Title: | Rechenmaschine zum Aufstellen von Listen. |
| Date: | 15.04.1937 |
| Place: | USA |
| Country: | Switzerland |
| Person: | |
| Company: | Gardner (P) Company |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CH190203 |
Aus der Patentschrift CH190203
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