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Patent:GB190320422


Patent:GB 190320422
Title:Improvements in or relating to Typewriting and Recording Calculator Machines
Date:28.01.1904
Place:St. Louis
Country:Great Britain
Person:
Company:American Arithomograph Co.
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB190320422


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Aus der Patentschrift GB190320422