Patent:US2142341
Patent: | US 2142341 |
Titel: | Switch for electric drives for calculating machines |
Datum: | 03.01.1939 |
Ort: | |
Land: | USA |
Person: | Arnold, Charles (P) |
Firma: | NCR (P) |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US2142341 (espacenet), US2142341 (uspto) |
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- Patent Family: ( Patent:DE672634, Patent:FR796366, Patent:US2142341 )