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Pat. 10276300 United States, Int. Cl.22 H01F 27/33, H01F 17/04, H01F 27/28, H02M 7/00, H02M 7/5387, G05F 1/33, H01F 17/00, H02J 3/01, H02M 1/12. Combined common mode inductor and differential signal transformer : Appl. N 15/777549 : Filed 11.11.2016 : Pub. 30.04.2019 : / Gustav Bergquist, Tomas Modeer, Joakim Asplund ; Assignee Abb Schweiz Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10276300/en?oq=US10276300.html (дата обращения: ДД.ММ.ГГГГ).