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Pat. 10651735 United States, Int. Cl.22 H02M 3/158, H02J 3/38, H02J 7/00, H02J 7/35, H02M 1/00, H02M 7/48, H02S 50/00. Series stacked DC-DC converter with serially connected DC power sources and capacitors : Appl. N 15/650355 : Filed 14.07.2017 : Pub. 12.05.2020 : / Heping Dai ; Assignee Futurewei Technologies Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10651735/en?oq=US10651735.html (дата обращения: ДД.ММ.ГГГГ).