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Pat. 10637367 United States, Int. Cl.22 H02M 5/458, H02M 1/00, H02M 1/42, H02M 7/06, H02M 7/797, H02M 7/81, H02P 23/06, H02P 27/08. Converter system and method for operating a converter system : Appl. N 16/311950 : Filed 23.06.2017 : Pub. 28.04.2020 : / Georg Pfeiffer ; Assignee Sew Eurodrive Gmbh and Co Kg ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10637367/en?oq=US10637367.html (дата обращения: ДД.ММ.ГГГГ).