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Patent:US1416974


Patent:US 1416974
Title:Calculating Machine
Date:23.05.1922
Place:Paris, Frankreich
Country:USA
Person:Piscicelli Taeggi, Roberto (P)
Company:
Internal Links:Sanders
Keywords:
Link to the patent office:
(without guarantee)
 US1416974 (espacenet),  US1416974 (uspto)


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Aus der Patentschrift US1416974

Filing date: Apr 25, 1912