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Pat. 10700522 United States, Int. Cl.22 H02J 3/24, H02J 3/18, H02M 7/5387. Method and device for processing voltage drop, grid interconnection processing method and device for electrical apparatus, and system : Appl. N 16/322031 : Filed 11.04.2017 : Pub. 30.06.2020 : / Weitao Ni, Shiyong Jiang, Xuefen Zhang, Jianhua Li, Hewei Lou, Jing Wang ; Assignee Gree Electric Appliances Inc of Zhuhai ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10700522/en?oq=US10700522.html (дата обращения: ДД.ММ.ГГГГ).