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Pat. 10587201 United States, Int. Cl.22 H02M 3/335. Method for controlling smooth switching of operation direction of bidirectional resonant CLLC circuit : Appl. N 16/453248 : Filed 26.06.2019 : Pub. 10.03.2020 : / Min Chen, Bodong Li, Ning Chen, Xiaoqing Wang, Lei Jing, Xinnan Sun, Dongbo Zhang ; Assignee Zhejiang University Zju ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10587201/en?oq=US10587201.html (дата обращения: ДД.ММ.ГГГГ).