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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB190224944


Patent:GB 190224944
Title:Improvements in Calculating Machines
Date:08.10.1903
Place:
Country:Great Britain
Person:Harold Hastings
Company:Callenders Cable and Const Co
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB190224944


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Aus der Patentschrift GB190224944