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Patent:US1626430


Patent:US 1626430
Title:Ellipsograph
Date:26.04.1927
Place:
Country:USA
Person:A. C. Sanders
Company:
Internal Links:Ellipsograph
Keywords:
Link to the patent office:
(without guarantee)
 US1626430 (espacenet),  US1626430 (uspto)


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Aus der Patentschrift US1626430