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Pat. 10103634 United States, Int. Cl.22 H02M 3/158, H02M 1/42, H02M 3/335, H02M 3/337, H02M 1/00. Power converter device based on normally-on type switching devices : Appl. N 15/064687 : Filed 09.03.2016 : Pub. 16.10.2018 : / Jianhong Zeng, Chao Yan, Haoyi Ye, Peiqing Hu ; Assignee Delta Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10103634/en?oq=US10103634.html (дата обращения: ДД.ММ.ГГГГ).