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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB190215776


Patent:GB 190215776
Title:Improvements in Calculating Machines
Date:08.01.1903
Place:
Country:Great Britain
Person:Goldberg, Hyman Eli (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB190215776


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Aus der Patentschrift GB190215776