Patent:GB316663
Patent: | GB 316663 |
Titel: | Improvements in or relating to perforated cards for use in calculating statistical or similar machines |
Datum: | 03.04.1930 |
Ort: | |
Land: | Großbritannien |
Person: | |
Firma: | Siemens (P) |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB316663 |
- DATUM: 03.04.1930
- TITEL: Improvements in or relating to perforated cards for use in calculating statistical or similar machines
- PERSON: SIEMENS AG
- Patent Family: ( Patent:FR679309, Patent:GB316663 )