Patent:GB345306
Patent: | GB 345306 |
Title: | Improvements in or relating to calculating, recording, registering or like machines controlled by perforated records |
Date: | 20.03.1931 |
Place: | |
Country: | Great Britain |
Person: | |
Company: | British Tabulating (P) Mach Co Ltd |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 20.03.1931
- TITEL: Improvements in or relating to calculating, recording, registering or like machines controlled by perforated records
- PERSON: BRITISH TABULATING MACH CO LTD
- Patent Family: ( Patent:GB345306, Patent:US1839402 )