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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB675091


Patent:GB 675091
Title:Apparatus for determining the most economical working speeds of
Date:02.07.1952
Place:
Country:Great Britain
Person:Ernst Hafner
Company:
Internal Links:
Keywords:
Link to the patent office:
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 GB675091


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Aus der Patentschrift GB675091