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Patent:GB190620728


Patent:GB 190620728
Title:Improvements in or relating to Adding or Calculating Machines
Date:12.09.1907
Place:Detroit
Country:Great Britain
Person:
Company:Burroughs (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB190620728


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Aus der Patentschrift GB190620728