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Pat. 10594204 United States, Int. Cl.22 H02P 29/50, H02J 3/01, H02M 1/12, H02M 5/458, H02M 7/00, H02P 27/08, H05K 1/02, H05K 1/11, H05K 1/18. Circuit board, active filter device, and air conditioner : Appl. N 15/766027 : Filed 28.12.2015 : Pub. 17.03.2020 : / Kenji Iwazaki, Yosuke Shinomoto, Kazunori Hatakeyama ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10594204/en?oq=US10594204.html (дата обращения: ДД.ММ.ГГГГ).