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Pat. 11108334 United States, Int. Cl.22 H02M 5/458, H02M 1/08, H02M 3/07, H02M 3/335, H02M 7/12, H02M 7/217, H02M 7/48, H02M 1/00. Power conversion device : Appl. N 16/770894 : Filed 18.10.2018 : Pub. 31.08.2021 : / Mizuki Nakahara, Takae Shimada, Kimihisa Furukawa, Mitsuhiro Kadota ; Assignee Hitachi Industrial Products Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11108334/en?oq=US11108334.html (дата обращения: ДД.ММ.ГГГГ).