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Patent:GB717869
| Patent: | GB 717869 |
| Titel: | Improvements in addition and subtraction operating device for electric calculating machines operating in the binary system |
| Datum: | 03.11.1954 |
| Ort: | |
| Land: | Großbritannien |
| Person: | |
| Firma: | Bull Sa Machines |
| Links im Rechnerlexikon: | |
| Schlagworte: | |
| Link zum Patentamt: (ohne Garantie) |  GB717869 |
Aus der Patentschrift GB717869
- DATUM: 03.11.1954
- TITEL: Improvements in addition and subtraction operating device for electric calculating machines operating in the binary system
- PERSON: BULL SA MACHINES
- Patent Family: ( Patent:DE879618, Patent:FR62455E, Patent:FR1035312, Patent:GB717869, Patent:US2781968 )