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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB290181


Patent:GB 290181
Title:Apparatus for measuring surfaces
Date:01.11.1928
Place:
Country:Great Britain
Person:Jean Ansermot
Company:
Internal Links:Hyperbeltafel, Nichtintegrierendes Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 GB290181


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Aus der Patentschrift GB290181