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Patent:US705838


Patent:US 705838
Title:Calculating-machine
Date:29.07.1902
Place:Berlin
Country:USA
Person:Hamann, Christel (P)
Company:
Internal Links:Berolina
Keywords:
Link to the patent office:
(without guarantee)
 US705838 (espacenet),  US705838 (uspto)


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Aus der Patentschrift US705838

"assigned to" Ernst Schuster; vergleich Patent:DE143497