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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB190916729


Patent:GB 190916729
Title:Improved Calculating Machine
Date:18.07.1910
Place:
Country:Great Britain
Person:Schuster, Ernst (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB190916729


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Aus der Patentschrift GB190916729