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Pat. 10671009 United States, Int. Cl.22 H05K 7/00, G03G 15/00, H01L 41/04, H01L 41/053, H01L 41/107, H02M 3/335, H05K 3/30, H05K 3/34, H05K 1/18. Printed circuit board mounting piezoelectric transformer : Appl. N 15/887060 : Filed 02.02.2018 : Pub. 02.06.2020 : / Taro Minobe, Norikazu Sugiyama, Ryo Matsumura ; Assignee Canon Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10671009/en?oq=US10671009.html (дата обращения: ДД.ММ.ГГГГ).