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Résultats de recherche: Schindler, Friedrich
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Patent:AT81098
25.08.1920 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter, insbesondere für Leder
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Patent:AT81098B
15.07.1919 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter, insbesondere für Leder
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Patent:CS6412
15.06.1921 Seemann, Alfons (P) Schindler, Friedrich (P) Schindler, Max (P) : Planimetr, zvlášte pro kuži
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Patent:DE333596
03.03.1921 Seemann, Alfons (P); Schindler, Friedrich (P); Schindler, Max (P) : Planimeter
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