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Pat. 10511233 United States, Int. Cl.22 H02M 5/458, H02M 1/12, H02M 7/217, H02M 7/219, H02M 7/539, H02M 1/00. Current estimating device : Appl. N 16/332907 : Filed 28.09.2017 : Pub. 17.12.2019 : / Takurou Ogawa, Eiji Tooyama, Akiko Sera, Morimitsu Sekimoto ; Assignee Daikin Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10511233/en?oq=US10511233.html (дата обращения: ДД.ММ.ГГГГ).