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Patent:GB190325109


Patent:GB 190325109
Title:Improvements in Slide Rules and like Calculating Apparatus
Date:27.10.1904
Place:Indien
Country:Great Britain
Person:Baines, Hewley Mortimer (P)
Company:
Internal Links:Rechenschieber
Keywords:
Link to the patent office:
(without guarantee)
 GB190325109


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Aus der Patentschrift GB190325109