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Pat. 11073559 United States, Int. Cl.22 G01R 31/327, G01R 31/00, G01R 31/52, G01R 31/54, H01H 47/00, H02J 7/00, H02J 7/34, H02M 3/335. Electrical system and method for diagnosing the functionality of power relays in an electrical system : Appl. N 16/225323 : Filed 19.12.2018 : Pub. 27.07.2021 : / Jens Uwe Muller, Lan Dang Hung, Markus Stolz, Hendrik Gerth ; Assignee Volkswagen Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11073559/en?oq=US11073559.html (дата обращения: ДД.ММ.ГГГГ).