Patent:GB727509
Patent: | GB 727509 |
Title: | Improvements in or relating to relay adding or subtracting circuits |
Date: | 06.04.1955 |
Place: | |
Country: | Great Britain |
Person: | Cartwright, John Robert (P) |
Company: | British Tabulating (P) Mach Co Ltd |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- 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 )