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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB270343


Patent:GB 270343
Title:An Improved Calculating Machine
Date:20.05.1927
Place:
Country:Great Britain
Person:Reisser, Alexander (P)
Company:Reder, Rudolf (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB270343


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Aus der Patentschrift GB270343