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Pat. 11398776 United States, Int. Cl.22 H02M 3/00, H02M 1/00, H02M 1/40, H02M 3/158, H02M 1/44, H02M 3/07, H02M 7/00, H02M 7/5395. Power conversion device : Appl. N 17/187326 : Filed 26.02.2021 : Pub. 26.07.2022 : / Da Jin, Dehuan Qi, Peng Xu ; Assignee Delta Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11398776/en?oq=US11398776.html (дата обращения: ДД.ММ.ГГГГ).