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Pat. 10230261 United States, Int. Cl.22 H02J 9/06, H02H 9/02, H02J 7/00, H02M 5/458, H02M 7/00, H02M 7/04, H02M 7/44. Power control circuits and related uninterruptible power supply systems : Appl. N 14/944523 : Filed 18.11.2015 : Pub. 12.03.2019 : / Gary Bradley King, Mengbin Ben Yang, David Zheng ; Assignee Eaton Intelligent Power Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10230261/en?oq=US10230261.html (дата обращения: ДД.ММ.ГГГГ).