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Patent:GB851003


Patent:GB 851003
Title:Improvements in or relating to calculating instruments of the slide-rule or like type for making calculations relating to speed, time and dis
Date:12.10.1960
Place:
Country:Great Britain
Person:Harold Alexandre Babbington Bl
Company:
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Keywords:
Link to the patent office:
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 GB851003


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Aus der Patentschrift GB851003