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Pat. 10673320 United States, Int. Cl.22 H02M 1/34, H02M 3/335, H02M 7/5387. Snubber circuit and power conversion system including same : Appl. N 16/468220 : Filed 08.12.2017 : Pub. 02.06.2020 : / Koji Higashiyama, Fumito Kusama ; Assignee Panasonic Intellectual Property Management Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10673320/en?oq=US10673320.html (дата обращения: ДД.ММ.ГГГГ).