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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2626752


Patent:US 2626752
Title:Carry Device for Electronic Calculators
Date:27.01.1953
Place:
Country:USA
Person:Williams, S. B. (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2626752 (espacenet),  US2626752 (uspto)


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Aus der Patentschrift US2626752