Patent:GB371447
Brevetto: | GB 371447 |
Titolo: | Improvements in or relating to record-controlled calculating machines |
Data: | 25.04.1932 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | George Francis Daly |
Ditta: | British Tabulating (P) Mach Co Ltd |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | GB371447 |
- DATUM: 25.04.1932
- TITEL: Improvements in or relating to record-controlled calculating machines
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:DE739282, Patent:FR712450, Patent:GB371447, Patent:NL42868C, Patent:US2138337 )