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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2797869


Patent:US 2797869
Title:Tens-Transfer Control Means in a Decimal Elimination Mechanism
Date:02.07.1957
Place:
Country:USA
Person:J. E. Grobl
Company:Friden (P)
Internal Links:Zehnerübertrag, Zehnerschaltung
Keywords:
Link to the patent office:
(without guarantee)
 US2797869 (espacenet),  US2797869 (uspto)


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