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Pat. 11211871 United States, Int. Cl.22 H02M 3/335, H02M 3/00. Direct-current (DC) voltage conversion device : Appl. N 17/012498 : Filed 04.09.2020 : Pub. 28.12.2021 : / Yu-Wei Chung, Ya-Jhe Liu, Shih-Jung Huang ; Assignee Mean Well (Guangzhou) Electronics Co Ltd, Suzhou Mean Well Technology Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11211871/en?oq=US11211871.html (дата обращения: ДД.ММ.ГГГГ).