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Patent:US3286919


Patent:US 3286919
Title:Calculating Machine, especially Four-Species Calculating Machine
Date:22.11.1966
Place: Nurnberg
Country:USA
Person:Metschnabel, Andreas (P), Machmer,Wilhelm (P)
Company:Diehl (P)
Internal Links:Diehl Transmatic
Keywords:
Link to the patent office:
(without guarantee)
 US3286919 (espacenet),  US3286919 (uspto)


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