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Patent:US2535743
| Patent: | US 2535743 |
| Title: | Tray attachment for adding machines, typewriters, and the like |
| Date: | 26.12.1950 |
| Place: | |
| Country: | USA |
| Person: | Lundahl Carl A |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2535743 (espacenet), US2535743 (uspto) |
Aus der Patentschrift US2535743
- DATUM: 26.12.1950
- TITEL: Tray attachment for adding machines, typewriters, and the like