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Pat. 11476770 United States, Int. Cl.22 H02M 3/335, H02M 1/00. DC-DC converter including first and second full-bridge circuits for performing soft switching and reducing switching losses : Appl. N 17/048144 : Filed 24.04.2019 : Pub. 18.10.2022 : / Shogo Nakahara, Hiroyoshi Nakayama ; Assignee Diamond and Zebra Electric Mfg Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11476770/en?oq=US11476770.html (дата обращения: ДД.ММ.ГГГГ).