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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2274919


Patent:US 2274919
Title:Calculating Machine
Date:03.03.1942
Place:
Country:USA
Person:Clark Harold, Dezenzo Jordan
Company:McCaskey Register Company
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2274919 (espacenet),  US2274919 (uspto)


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Aus der Patentschrift US2274919