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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB149672


Patent:GB 149672
Title:Improvements in machines for measuring areas of leather or the like
Date:05.05.1921
Place:
Country:Great Britain
Person:
Company:Krupp (P) AG
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 GB149672


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Aus der Patentschrift GB149672