Patent:GB345306
Patent: | GB 345306 |
Titel: | Improvements in or relating to calculating, recording, registering or like machines controlled by perforated records |
Datum: | 20.03.1931 |
Ort: | |
Land: | Großbritannien |
Person: | |
Firma: | British Tabulating (P) Mach Co Ltd |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | ![]() |
- DATUM: 20.03.1931
- TITEL: Improvements in or relating to calculating, recording, registering or like machines controlled by perforated records
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:GB345306, Patent:US1839402 )