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Patent:IT384948


Patent:IT 384948
Title:Dispositivo di comando per la commutazione dei nastri bicolori nelle macchine addizionatrici o simili
Date:28.01.1941
Place:Milano
Country:Italy
Person:Bona, Osvaldo
Company:Aldo Bona (P)
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 IT384948


Presented to Italian Patent Office: 11/September/1941
Reference: Bollettino dei Brevetti (part I, section X), 1941