Patent:US3259311
Patent: | US 3259311 |
Title: | Calendar and calculating device |
Date: | 05.07.1966 |
Place: | |
Country: | USA |
Person: | Kenzi Etani, Sama Dominick |
Company: | |
Internal Links: | Datumsrechner |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 05.07.1966
- TITEL: Calendar and calculating device