Patent:GB439512
Patent: | GB 439512 |
Titel: | Improvements in or relating to keyboard controlled recording or |
Datum: | 09.12.1935 |
Ort: | |
Land: | Großbritannien |
Person: | |
Firma: | IBM (P) |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB439512 |
- DATUM: 09.12.1935
- TITEL: Improvements in or relating to keyboard controlled recording or registering apparatus
- Patent Family: ( Patent:GB439512, Patent:US2066786 )