Patent:IT272159
Patent: | IT 272159 |
Titel: | Macchina calcolatrice per costruzioni in cemento armato |
Datum: | 01.03.1930 |
Ort: | Oneglia (Imperia), Italien |
Land: | Italien |
Person: | Sabatini, Washington (P) |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | Rechenschieber |
Link zum Patentamt: (ohne Garantie) | IT272159 |
Filled to Italian Patent Office: 4/Apr./1928
Reference: Bollettino dei Brevetti (part I, section X), 1930
Second integration to Patent:IT236298, filled 13/01/1925, published 10/04/1925.