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Pat. 10673343 United States, Int. Cl.22 H02M 3/335, H02M 1/00. Diode clamp mixed three-level dual active full-bridge converter and control method thereof : Appl. N 16/512304 : Filed 15.07.2019 : Pub. 02.06.2020 : / Anping Tong, Guojie Li, Lijun Hang, Keyou Wang ; Assignee Shanhai Jiao Tong University ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10673343/en?oq=US10673343.html (дата обращения: ДД.ММ.ГГГГ).