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Pat. 10135435 United States, Int. Cl.22 H03K 17/16, H02M 1/34, H02M 7/5387. Switching device with surge recirculation device and surge recirculation line : Appl. N 15/797062 : Filed 30.10.2017 : Pub. 20.11.2018 : / Takehiro Ueda ; Assignee Renesas Electronics Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10135435/en?oq=US10135435.html (дата обращения: ДД.ММ.ГГГГ).