Patent:DE373803
Patent: | DE 373803 |
Title: | Rechenschieber |
Date: | 28.01.1922 |
Place: | Wien, Österreich |
Country: | Germany |
Person: | Krems, Otto (P) |
Company: | |
Internal Links: | Rechenschieber |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 16.04.1923
- TITEL: Rechenschieber
- PERSON: OTTO KREMS
Österreich 20.01.1922