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Pat. 10003296 United States, Int. Cl.22 H02M 7/48, H02H 9/00, H02M 1/08, H02P 1/04, H02P 29/024. Apparatus for controlling operation of power conversion device and monitoring operation state of relay : Appl. N 15/355964 : Filed 18.11.2016 : Pub. 19.06.2018 : / Tae-Suk Bae, Chun-Suk Yang ; Assignee Lsis Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10003296/en?oq=US10003296.html (дата обращения: ДД.ММ.ГГГГ).