Patent:DE492010
Patent: | DE 492010 |
Title: | Rechenstab |
Date: | 15.02.1930 |
Place: | |
Country: | Germany |
Person: | Geppert, Wilhelm (P) |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 15.02.1930
- TITEL: Rechenstab
- PERSON: WILHELM GEPPERT DIPL ING