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Patent:GB335379


Patent:GB 335379
Title:A slide rule for calculating data connected with belting
Date:25.09.1930
Place:
Country:Great Britain
Person:Neil Lawson
Company:Lewis and Tylor Ltd
Internal Links:Rechenschieber
Keywords:
Link to the patent office:
(without guarantee)
 GB335379


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Aus der Patentschrift GB335379