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Patent:US2717733
| Patent: | US 2717733 |
| Title: | Typewriter controlled calculator |
| Date: | 13.09.1955 |
| Place: | |
| Country: | USA |
| Person: | Johnson Richard, Luhn, Hans P. (P) |
| Company: | IBM (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2717733 (espacenet), US2717733 (uspto) |
Aus der Patentschrift US2717733
- DATUM: 13.09.1955
- TITEL: Typewriter controlled calculator
- Patent Family: ( Patent:US2651457, Patent:US2717733 )