Patent:US3073520
Brevetto: | US 3073520 |
Titolo: | Calculating Machine |
Data: | 15.01.1963 |
Luogo: | |
Nazione: | Stati Uniti |
Persona: | Bilde |
Ditta: | Facit (P) |
Link interni: | integrating electronics for number entry and transfer btwn portions of calculator |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() ![]() |
- DATUM: 15.01.1963
- TITEL: Calculating machine
- PERSON: TALONGMASKINER AB