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Pat. 10879697 United States, Int. Cl.22 H02M 1/32, G01R 31/3187, H02J 3/00, G05F 1/70, H02H 3/33, H02J 3/18, H02M 7/483. Power conversion device and test method thereof : Appl. N 16/492752 : Filed 29.03.2017 : Pub. 29.12.2020 : / Naoki Yonemura, Taichiro Tsuchiya ; Assignee Toshiba Mitsubishi Electric Industrial Systems Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10879697/en?oq=US10879697.html (дата обращения: ДД.ММ.ГГГГ).