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Patent:US2441870


Patent:US 2441870
Title:Front feed mechanism for calculating machines
Date:18.05.1948
Place:
Country:USA
Person:Christian, Raymond A. (P)
Company:NCR (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2441870 (espacenet),  US2441870 (uspto)


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Aus der Patentschrift US2441870