Patent:US2971809
Patent: | US 2971809 |
Titel: | Magnetic Marking Means for Recording Media of Business Machines |
Datum: | 14.02.1961 |
Ort: | |
Land: | USA |
Person: | H. Schmidt |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US2971809 (espacenet), US2971809 (uspto) |
- DATUM: 14.02.1961
- TITEL: Magnetic marking means for recording media of business machines
- PERSON: TAYLORIX ORGANISATION STIEGLER