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Patent:IT452178


Patent:IT 452178
Title:Microcalcolatore ottico ad anello rotante
Date:12.04.1949
Place:Roma, Italien
Country:Italy
Person:Abeille, Mario ; Aquilecchia, Vincenzo
Company:
Internal Links:Microcalcolatore 2A
Keywords:Rechenscheibe
Link to the patent office:
(without guarantee)
 IT452178


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Image from English patent GB688639