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Patent:GB745674


Patent:GB 745674
Title:Improvements in or relating to Slide Rules
Date:29.02.1956
Place:
Country:Great Britain
Person:John Dyson Blakeley, Sidney Radcliffe Potter
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB745674


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Aus der Patentschrift GB745674