Patent:GB518864
Patent: | GB 518864 |
Title: | Improvements in or relating to calculating machines |
Date: | 11.03.1940 |
Place: | |
Country: | Great Britain |
Person: | |
Company: | British Tabulating (P) Mach Co Ltd |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 11.03.1940
- TITEL: Improvements in or relating to calculating machines
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:FR838975, Patent:GB518864, Patent:US2228330 )