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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US3401878


Patent:US 3401878
Title:Actuator Means For Calculating Machines
Date:17.09.1968
Place:
Country:USA
Person:Cushman, Gerald (P)
Company:SCM (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US3401878 (espacenet),  US3401878 (uspto)


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Aus der Patentschrift US3401878