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Patent:US809019


Patent:US 809019
Title:Planimeter
Date:02.01.1906
Place:
Country:USA
Person:E. McC. Scoville
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US809019 (espacenet),  US809019 (uspto)


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Aus der Patentschrift US809019