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Patent:US2068899


Patent:US 2068899
Title:Calculating Machine
Date:26.01.1937
Place:
Country:USA
Person:Erik Anneren Rolf, Carlström, Bengt
Company:Facit (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2068899 (espacenet),  US2068899 (uspto)


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Aus der Patentschrift US2068899