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Pat. 9929667 United States, Int. Cl.22 H02M 5/45, G21D 7/00, H02J 3/38, H02M 1/36, H02M 1/42, H02M 5/458, H02M 5/46, H05H 15/00. Circuit for direct energy extraction from a charged-particle beam : Appl. N 15/098256 : Filed 13.04.2016 : Pub. 27.03.2018 : / Keyue Smedley, Frank J. Wessel, Mingying Gu, In Wha Jeong ; Assignee University of California ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9929667/en?oq=US9929667.html (дата обращения: ДД.ММ.ГГГГ).