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Pat. 10286786 United States, Int. Cl.22 H02M 1/10, H02M 3/158, H02M 7/04, H02M 7/5387. Charging circuit for an electrical energy accumulator, electrical drive system and method for operating a charging circuit : Appl. N 15/516180 : Filed 05.08.2015 : Pub. 14.05.2019 : / Hans Geyer ; Assignee Robert Bosch Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10286786/en?oq=US10286786.html (дата обращения: ДД.ММ.ГГГГ).