Patent:CH113391
Patent: | CH 113391 |
Title: | Perfectionnement aux machines à calculer. |
Date: | 02.01.1926 |
Place: | Belgien |
Country: | Switzerland |
Person: | |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 02.01.1926
- TITEL: Perfectionnement aux machines à calculer.
- PERSON: PUTTEMANS H BE