Patent:US1534834
Patent: | US 1534834 |
Title: | Calculating Machine |
Date: | 21.04.1925 |
Place: | |
Country: | USA |
Person: | Felicien Blacher Charles |
Company: | Guy S Calculating Machines Ltd |
Internal Links: | Britannic |
Keywords: | |
Link to the patent office: (without guarantee) | US1534834 (espacenet), US1534834 (uspto) |
- DATUM: 21.04.1925
- TITEL: Calculating machine
- PERSON: GUY S CALCULATING MACHINES LTD