Patent:GB516225
Patent: | GB 516225 |
Titel: | Improvements in or relating to calculating machines |
Datum: | 28.12.1939 |
Ort: | |
Land: | Großbritannien |
Person: | |
Firma: | British Tabulating (P) Mach Co Ltd |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB516225 |
- DATUM: 28.12.1939
- TITEL: Improvements in or relating to calculating machines
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:DE723449, Patent:FR839013, Patent:GB516225, Patent:NL68395C, Patent:US2219737 )