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Pat. 11217993 United States, Int. Cl.22 H02J 1/10, H02M 3/00, H02M 1/00, H02M 1/32, H02M 1/36. Conversion system with high voltage side and low voltage side : Appl. N 16/830327 : Filed 26.03.2020 : Pub. 04.01.2022 : / Teng Liu, Jianping Ying, Yi Zhang, Guangcheng Hu, Xin Wang, Dehai Lou, Yun Cao ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11217993/en?oq=US11217993.html (дата обращения: ДД.ММ.ГГГГ).