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Patent:GB190224868


Patent:GB 190224868
Title:Improvements in Adding Machines
Date:12.01.1904
Place:
Country:Great Britain
Person:Postans, Arthur James (P)
Company:
Internal Links:Kolonnenaddierer, The Adder (brit.)
Keywords:
Link to the patent office:
(without guarantee)
 GB190224868


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Aus der Patentschrift GB190224868

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The Adder