Patent:GB574405
Patent: | GB 574405 |
Titel: | Improvements in or relating to adding and subtracting machines |
Datum: | 03.01.1946 |
Ort: | |
Land: | Großbritannien |
Person: | |
Firma: | British Tabulating (P) Mach Co Ltd |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB574405 |
- DATUM: 03.01.1946
- TITEL: Improvements in or relating to adding and subtracting machines
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:GB574405, Patent:US2364540 )