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Pat. 10912232 United States, Int. Cl.22 H05K 1/02, H01F 30/06, H02M 7/00, H05K 1/16, H05K 1/18, H05K 7/20. Electronic circuit board and power conversion device : Appl. N 16/462294 : Filed 29.11.2017 : Pub. 02.02.2021 : / Koji Nakajima, Yuji Shirakata, Kenta Fujii, Shota Sato ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10912232/en?oq=US10912232.html (дата обращения: ДД.ММ.ГГГГ).