Patent:CH136695
Patent: | CH 136695 |
Title: | Machine à calculer. |
Date: | 30.11.1929 |
Place: | USA |
Country: | Switzerland |
Person: | Friden, Carl Mauritz Fredrick (P) |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 30.11.1929
- TITEL: Machine à calculer.
- PERSON: FRIDEN CARL MAURITZ FREDRICK US