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Pat. 10923938 United States, Int. Cl.22 H02J 7/00, H01M 10/44, H02J 7/02, H02J 7/04, H02J 7/14, H02M 3/00, H02M 7/04. Charging device and charging method : Appl. N 16/014603 : Filed 21.06.2018 : Pub. 16.02.2021 : / Dezhong Yang, Yingdian Xiang, Hong Zhu, Zhijian Lu ; Assignee Nanjing Chervon Industry Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10923938/en?oq=US10923938.html (дата обращения: ДД.ММ.ГГГГ).