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Pat. 11018596 United States, Int. Cl.22 H01F 17/04, H01F 38/14, H02M 3/00, H02M 3/158, H02M 5/293, H02M 7/00, H02M 7/537, H01F 17/06. Power converting device : Appl. N 15/285473 : Filed 04.10.2016 : Pub. 25.05.2021 : / Jian-Hong Zeng, Xiao-Ni Xin, Rui Wu, Min Zhou, Hao-Yi Ye ; Assignee Delta Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11018596/en?oq=US11018596.html (дата обращения: ДД.ММ.ГГГГ).