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Die große Enzyklopädie des mechanischen Rechnens

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Patent:CH151383


Patent:CH 151383
Title:Rechenoperationen ausführende Maschine.
Date:15.12.1931
Place:
Country:Switzerland
Person:Rudin, Karl Viktor (P)
Company:Facit (P)
Internal Links:Facit T
Keywords:
Link to the patent office:
(without guarantee)
 CH151383


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Aus der Patentschrift CH151383