Patent:GB487479
Patent: | GB 487479 |
Title: | Improvements in cam gearings for calculating apparatus |
Date: | 21.06.1938 |
Place: | |
Country: | Great Britain |
Person: | Zeiss, Carl (P) |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 21.06.1938
- TITEL: Improvements in cam gearings for calculating apparatus
- PERSON: ZEISS CARL