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Pat. 10141861 United States, Int. Cl.22 H02M 7/00, H02M 7/219, H02M 7/5387, H05K 7/14. Power conversion unit, power converter and method of manufacturing power converter : Appl. N 15/880698 : Filed 26.01.2018 : Pub. 27.11.2018 : / Yukio Hattori, Hiroshi Kamizuma, Daisuke Matsumoto, Akira Mima, Tetsuya Kawashima, Yuuichi Mabuchi ; Assignee Hitachi Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10141861/en?oq=US10141861.html (дата обращения: ДД.ММ.ГГГГ).