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Pat. 10938317 United States, Int. Cl.22 H02M 7/219, H02M 1/32, H02M 7/483, H02M 7/5387. Low loss double submodule for a modular multi-level converter and modular multi-level converter having same : Appl. N 15/618862 : Filed 09.06.2017 : Pub. 02.03.2021 : / Martin Geske, Joerg Janning ; Assignee Ge Energy Power Conversion Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10938317/en?oq=US10938317.html (дата обращения: ДД.ММ.ГГГГ).