Patent:GB412747
Patent: | GB 412747 |
Title: | Improvements in electric adding machines |
Date: | 05.07.1934 |
Place: | |
Country: | Great Britain |
Person: | Boutet, René Edmond |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 05.07.1934
- TITEL: Improvements in electric adding machines
- PERSON: RENE EDMOND BOUTET
- Patent Family: ( Patent:FR42044E, Patent:GB412747 )