Patent:CH152000
Patent: | CH 152000 |
Title: | Machine à calculer. |
Date: | 15.01.1932 |
Place: | Großbritannien |
Country: | Switzerland |
Person: | |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 15.01.1932
- TITEL: Machine à calculer.
- PERSON: DEBENHAM ERNEST RIDLEY GB