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Pat. 11050359 United States, Int. Cl.22 H02M 7/5387, H02J 3/38, H02M 1/12, H02M 3/335, H02M 7/538, H02M 1/00, H02M 7/48. Single-stage multi-input buck type low-frequency link's inverter with an external parallel-timesharing select switch : Appl. N 16/622277 : Filed 06.12.2018 : Pub. 29.06.2021 : / Daolian Chen, Hanchao Zeng ; Assignee Qingdao University ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11050359/en?oq=US11050359.html (дата обращения: ДД.ММ.ГГГГ).