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Pat. 9871439 United States, Int. Cl.22 H02M 1/42, H02M 1/44, H02M 3/00, H02M 3/335, H05K 1/02. Power electronic circuit and power module : Appl. N 14/581096 : Filed 23.12.2014 : Pub. 16.01.2018 : / Zeng Li, Shou-Yu Hong, Jian-Hong Zeng, Yi-Cong Xie ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9871439/en?oq=US9871439.html (дата обращения: ДД.ММ.ГГГГ).