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Patent:GB190923858


Patent:GB 190923858
Title:Improvements in and relating to Adding and Calculating Machines
Date:18.10.1910
Place:
Country:Great Britain
Person:Hunter, John Pirrong (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB190923858


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Aus der Patentschrift GB190923858