Patent:US1957617
Patent: | US 1957617 |
Title: | Calculating Machine |
Date: | 08.05.1934 |
Place: | |
Country: | USA |
Person: | Siewert, Karl (P) |
Company: | Original Odhner (P) Ab |
Internal Links: | Odhner A, B, C (1. Ausf.); Odhner A, B, C (2. Ausf.) |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 08.05.1934
- TITEL: Calculating machine
- PERSON: ORIGINAL ODHNER AB