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Pat. 11005399 United States, Int. Cl.22 H02P 6/28, H01M 50/20, H01M 50/247, H02J 7/00, H02J 7/02, H02J 7/04, H02K 7/14, H02M 7/12, H02M 7/219, H02P 6/08, H02P 23/26, H02P 25/14, H02P 27/08, H02P 29/024, H02P 29/032. AC power adapter having a switchable capacitor : Appl. N 16/591931 : Filed 03.10.2019 : Pub. 11.05.2021 : / Pradeep M. Pant ; Assignee Black and Decker Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11005399/en?oq=US11005399.html (дата обращения: ДД.ММ.ГГГГ).