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Patent:CH30765


Patent:CH 30765
Title:Additionsmaschine
Date:31.01.1905
Place:Deutschland
Country:Switzerland
Person:Eberhardt, Hermann (P)
Company:
Internal Links:
Keywords:Addiermaschine, Tasten
Link to the patent office:
(without guarantee)
 CH30765


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Aus der Patentschrift CH30765