Patent:GB454248
Patent: | GB 454248 |
Title: | Improvements in or relating to calculating mechanism |
Date: | 28.09.1936 |
Place: | |
Country: | Great Britain |
Person: | Campbell, Charles (P) |
Company: | British Tabulating (P) Mach Co Ltd |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 28.09.1936
- TITEL: Improvements in or relating to calculating mechanism
- PERSON: CHARLES CAMPBELL
- Patent Family: ( Patent:FR813376, Patent:GB454248, Patent:US2126615 )