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Pat. 9899877 United States, Int. Cl.22 H01F 37/00, G01R 31/04, H01F 38/14, H02J 5/00, H02J 7/02, H02J 50/12, H02J 50/90, H02M 7/537, H03F 3/217, H02M 7/48. Inductive power transfer system : Appl. N 14/423387 : Filed 31.05.2013 : Pub. 20.02.2018 : / Paul Mitcheson, Stepan Lucyszyn, Manuel Pinuela Rangel, David Yates ; Assignee Drayson Technologies Europe Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9899877/en?oq=US9899877.html (дата обращения: ДД.ММ.ГГГГ).