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Pat. 10626841 United States, Int. Cl.22 F02P 9/00, F02P 3/08, F02P 13/00, F02P 15/10, H01F 27/28, H01F 27/29, H01F 27/32, H01F 38/12, H02M 3/335, F02D 41/20. Winding plan for a transformer of a step-up converter and ignition system for supplying a spark gap of an internal combustion engine with electrical power : Appl. N 15/327160 : Filed 21.05.2015 : Pub. 21.04.2020 : / Werner Steinberger ; Assignee Robert Bosch Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10626841/en?oq=US10626841.html (дата обращения: ДД.ММ.ГГГГ).