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Patent:US4798940


Patent:US 4798940
Title:Manual calculator for analog and digital numbers
Date:17.01.1989
Place: (3748 Michigan Ave., Charlotte, NC 28215)
Country:USA
Person:Salvo, Gaetano
Company:
Internal Links:Nichtdezimale Rechner
Keywords:
Link to the patent office:
(without guarantee)
 US4798940 (espacenet),  US4798940 (uspto)


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Aus der Patentschrift US4798940