Patent:US2403005
Patent: | US 2403005 |
Title: | Typewriting calculating machine |
Date: | 02.07.1946 |
Place: | |
Country: | USA |
Person: | Lake Clair. Hamilton Francis |
Company: | IBM (P) |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 02.07.1946
- TITEL: Typewriting calculating machine