Patent:GB497676
Patent: | GB 497676 |
Titel: | Improvements in or relating to record-card controlled calculating machines |
Datum: | 23.12.1938 |
Ort: | |
Land: | Großbritannien |
Person: | |
Firma: | British Tabulating (P) Mach Co Ltd |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB497676 |
- DATUM: 23.12.1938
- TITEL: Improvements in or relating to record-card controlled calculating machines
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:DE747075, Patent:FR827324, Patent:GB497676, Patent:NL86376C, Patent:US2224774, Patent:US2320836, Patent:US2323429 )