Patent:US2983447
Brevetto: | US 2983447 |
Titolo: | Slide Rule and Adding Device Combination |
Data: | 09.05.1961 |
Luogo: | |
Nazione: | Stati Uniti |
Persona: | Bülow, Willy |
Ditta: | Faber Castell (P) |
Link interni: | Addiator, Rechenschieber, Castell-Addiator |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() ![]() |
- DATUM: 09.05.1961
- TITEL: Slide rule and adding device combination
- PERSON: FABER CASTELL A W
Siehe auch Patent:DE1062040