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Pat. 11532993 United States, Int. Cl.22 H02M 7/537, B60R 16/03, H02M 1/00, H02M 5/458. AC-to-AC power supplies using multi-frequency power conversion building blocks : Appl. N 17/496481 : Filed 07.10.2021 : Pub. 20.12.2022 : / Suman Dwari, Parag M. Kshirsagar, Jeffrey Ewanchuk, Baljit Singh Riar, Brian St. Rock ; Assignee Be Aerospace Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11532993/en?oq=US11532993.html (дата обращения: ДД.ММ.ГГГГ).