Patent:US1742534
Patent: | US 1742534 |
Titel: | Duplicate-printing mechanism for calculating and like machines |
Datum: | 07.01.1930 |
Ort: | |
Land: | USA |
Person: | Gubelmann, William S. (P) |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1742534 (espacenet), US1742534 (uspto) |
- DATUM: 07.01.1930
- TITEL: Duplicate-printing mechanism for calculating and like machines
- Patent Family: ( Patent:US1348942, Patent:US1742521, Patent:US1742522, Patent:US1742523, Patent:US1742530, Patent:US1742534, Patent:US1742535 )