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Pat. 10110009 United States, Int. Cl.22 H02M 1/00, H05K 5/03, H02J 3/38, H02M 7/44, H02M 1/32. Switch cover for power converter and power conversion system : Appl. N 14/811943 : Filed 29.07.2015 : Pub. 23.10.2018 : / Yasunori Yamanaka, Masafumi Sakai, Kenshiro Morishita ; Assignee Yaskawa Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10110009/en?oq=US10110009.html (дата обращения: ДД.ММ.ГГГГ).