Patent:GB392207
Patent: | GB 392207 |
Title: | Improvements in rheostats for use in electric calculating apparatus |
Date: | 15.05.1933 |
Place: | |
Country: | Great Britain |
Person: | Marie Emile Alfred Baule |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 15.05.1933
- TITEL: Improvements in rheostats for use in electric calculating apparatus
- PERSON: MARIE EMILE ALFRED BAULE
- Patent Family: ( Patent:FR722351, Patent:GB392207 )