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Pat. 11509239 United States, Int. Cl.22 H02M 7/23, B60L 53/30, H02M 3/335, H02M 5/458, H02M 7/217, H02M 7/219, H02M 7/537, H02M 1/12. Conversion device having reduced size and cost : Appl. N 17/314105 : Filed 07.05.2021 : Pub. 22.11.2022 : / Teng Liu, Jianping Ying, Lifeng Qiao, Xin Wang, Hongwei Xiao ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11509239/en?oq=US11509239.html (дата обращения: ДД.ММ.ГГГГ).