Patent:US2690297
Patent: | US 2690297 |
Titel: | Combined Record Sorting and Accounting Machine |
Datum: | 28.09.1954 |
Ort: | |
Land: | USA |
Person: | Read, H. L. (P) |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US2690297 (espacenet), US2690297 (uspto) |
- DATUM: 28.09.1954
- TITEL: Combined record sorting and accounting machine