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Die große Enzyklopädie des mechanischen Rechnens

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Patent:FR873159


Patent:FR 873159
Title:Appareil dexercice pour létude de lemploi de la règle à calcul
Date:09.03.1942
Place:
Country:France
Person:
Company:A.W. [[Faber-Castell]
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 FR873159


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