From the great encyclopedia of mechanical calculating
Patent: | DE 1549321 |
Title: | Schreibvorrichtung für Rechner mit bogenförmigen Schwingsektoren ... |
Date: | 26.06.1967 |
Place: | |
Country: | Germany |
Person: | |
Company: | Citizen (P) |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
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