Patent:GB153344
Patent: | GB 153344 |
Titel: | Improvements in and relating to apparatus for selecting or checking statistical cards |
Datum: | 02.11.1920 |
Ort: | |
Land: | Großbritannien |
Person: | Rogers, F. H. |
Firma: | Liberty Systems Corp |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | ![]() |
- DATUM: 02.11.1920
- TITEL: Improvements in and relating to apparatus for selecting or checking statistical cards
- PERSON: LIBERTY SYSTEMS CORP