Patent:DE73647
Patent: | DE 73647 |
Title: | Rechenmaschine mit um Rollen laufenden Addirbändern |
Date: | 21.04.1893 |
Place: | New York, USA |
Country: | Germany |
Person: | Webb, Charles Henry (P) |
Company: | |
Internal Links: | Webb Ribbon Adder |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
