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Patent:US2721697


Patent:US 2721697
Title:Eelectromagnetic Drive Means for Computing Machines
Date:25.10.1955
Place:
Country:USA
Person:Gilpin, J. C. (P)
Company:none
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2721697 (espacenet),  US2721697 (uspto)


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Aus der Patentschrift US2721697