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Patent:CH60809
| Patent: | CH 60809 |
| Title: | Addiermaschine |
| Date: | 27.07.1912 |
| Place: | Thalwil / Zürich, Schweiz, |
| Country: | Switzerland |
| Person: | Landolt, Carl (P) |
| Company: | |
| Internal Links: | Conto A; Conto B |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CH60809 |
Aus der Patentschrift CH60809
- DATUM: 16.08.1913
- TITEL: Addiermaschine
- PERSON: LANDOLT CARL CH
Conto A (A. Witzemann)