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Pat. 11223237 United States, Int. Cl.22 H02J 50/12, H02J 7/02, H02M 3/07, H02M 7/219. High efficiency power converting apparatus and control method : Appl. N 16/580870 : Filed 24.09.2019 : Pub. 11.01.2022 : / Zeng Li, Junxiao Chen, Jinbiao Huang, Xintao Wang ; Assignee Nuvolta Technologies Hefei Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11223237/en?oq=US11223237.html (дата обращения: ДД.ММ.ГГГГ).