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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB337487


Patent:GB 337487
Title:An improved logarithmic calculator of the cylindrical type
Date:06.11.1930
Place:
Country:Great Britain
Person:Godfrey, Thomas Garwood (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
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 GB337487


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Aus der Patentschrift GB337487