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Patent:DE333596


Patent:DE 333596
Title:Planimeter
Date:03.03.1921
Place: Wien
Country:Germany
Person:Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P)
Company:
Internal Links:Planimeter, Exact Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 DE333596


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Aus der Patentschrift DE333596

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Exact Planimeter