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Pat. 10044191 United States, Int. Cl.22 H02J 3/38, H02J 3/32, H02J 7/00, H02M 3/04, H02M 7/44, H02M 7/66, H02J 7/35. Method for operating a battery converter and bidirectional battery converter : Appl. N 14/986809 : Filed 04.01.2016 : Pub. 07.08.2018 : / Claus Allert, Aleksandra-Sasa Bukvic-Schaefer, Johannes Weide ; Assignee Sma Solar Technology Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10044191/en?oq=US10044191.html (дата обращения: ДД.ММ.ГГГГ).