Patent:DE453097
Patent: | DE 453097 |
Title: | Lese- und Rechenmaschine |
Date: | 28.11.1927 |
Place: | |
Country: | Germany |
Person: | Ebell, Alfred (P) ; Breetz, Erwin (P); Brass, Hermann (P) |
Company: | |
Internal Links: | Lehrmittel |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 28.11.1927
- TITEL: Lese- und Rechenmaschine
- PERSON: ALFRED EBELL