Patent:GB573520
Patent: | GB 573520 |
Titel: | Slide rule for the computation of income tax on earned incomes |
Datum: | 23.11.1945 |
Ort: | |
Land: | Großbritannien |
Person: | Alexander Bowden Carr |
Firma: | |
Links im Rechnerlexikon: | Rechenschieber |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | ![]() |
- DATUM: 23.11.1945
- TITEL: Slide rule for the computation of income tax on earned incomes
- PERSON: ALEXANDER BOWDEN CARR