Patent:SE314542
Brevetto: | SE 314542 |
Titolo: | Räknemaskin för multiplikation med avkortad, fortsatt addition eller subtraktion |
Data: | 06.08.1965 |
Luogo: | Gerstetten |
Nazione: | Svezia |
Persona: | Haberkorn, Otto (P) |
Ditta: | Walther (P) Büromaschinen GmbH |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- Patent Family: ( Patent:CH460396, Patent:DE1474003, Patent:SE314542, Patent:US3374946 )