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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2283375


Patent:US 2283375
Title:Calculator
Date:19.05.1942
Place:
Country:USA
Person:Lautzenhiser Fred, Salvatore Colacuori
Company:Int Harvester Co
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2283375 (espacenet),  US2283375 (uspto)


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Aus der Patentschrift US2283375