Patent:GB727509
Patent: | GB 727509 |
Titel: | Improvements in or relating to relay adding or subtracting circuits |
Datum: | 06.04.1955 |
Ort: | |
Land: | Großbritannien |
Person: | Cartwright, John Robert (P) |
Firma: | British Tabulating (P) Mach Co Ltd |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB727509 |
- DATUM: 06.04.1955
- TITEL: Improvements in or relating to relay adding or subtracting circuits
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:FR1090583, Patent:GB727509, Patent:US2787415 )