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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2877669


Patent:US 2877669
Title:Integrating Mechanism
Date:17.03.1959
Place:
Country:USA
Person:J. F. Shannon
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US2877669 (espacenet),  US2877669 (uspto)


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Aus der Patentschrift US2877669