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Pat. 10868474 United States, Int. Cl.22 H02M 7/48, H02M 1/00. Circuit board, method for determining a current space vector, converter, circuit board and series of converters : Appl. N 12/937840 : Filed 21.03.2009 : Pub. 15.12.2020 : / Harald Wolf, Manuel Heil, Ralf Bennerscheidt ; Assignee Sew Eurodrive Gmbh and Co Kg ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10868474/en?oq=US10868474.html (дата обращения: ДД.ММ.ГГГГ).