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Patent:IT272159


Patent:IT 272159
Title:Macchina calcolatrice per costruzioni in cemento armato
Date:01.03.1930
Place:Oneglia (Imperia), Italien
Country:Italy
Person:Sabatini, Washington (P)
Company:
Internal Links:
Keywords:Rechenschieber
Link to the patent office:
(without guarantee)
 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.