Patent:GB498429
Patent: | GB 498429 |
Titel: | Improvements in or relating to record or check sorting machines with |
Datum: | 09.01.1939 |
Ort: | |
Land: | Großbritannien |
Person: | |
Firma: | IBM (P) |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB498429 |
- DATUM: 09.01.1939
- TITEL: Improvements in or relating to record or check sorting machines with card punching attachment
- Patent Family: ( Patent:DE695039, Patent:FR49227E, Patent:FR784794, Patent:GB435139, Patent:GB498429, Patent:US2131912 )