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Patent:US1432375


Patent:US 1432375
Title:Apparatus for Integrating Variable Quantities as Regards the Timer
Date:17.10.1922
Place:
Country:USA
Person:H. A. Witt
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US1432375 (espacenet),  US1432375 (uspto)


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Aus der Patentschrift US1432375