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Pat. 10277124 United States, Int. Cl.22 H02M 3/156, H02M 3/07. DC-DC converter, boosting unit, electric vehicle and battery backup system : Appl. N 15/565827 : Filed 28.06.2017 : Pub. 30.04.2019 : / Enhui Guan, Masakazu Okamura, Shuo Chen ; Assignee Boe Technology Group Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10277124/en?oq=US10277124.html (дата обращения: ДД.ММ.ГГГГ).