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Pat. 10523131 United States, Int. Cl.22 H02M 7/483, H02M 7/487, H02M 7/493, H02M 1/00. Reconfigurable MMC sub-module unit and control unit thereof : Appl. N 16/322457 : Filed 02.08.2017 : Pub. 31.12.2019 : / Gang Li, Jianchun Li, Jie Tian, Haiying Li, Yu Lu, Yunlong Dong, Zhaoqing Hu, Minglian Zhu ; Assignee Nr Electric Co Ltd, Nr Engineering Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10523131/en?oq=US10523131.html (дата обращения: ДД.ММ.ГГГГ).