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Pat. 9979209 United States, Int. Cl.22 H02J 7/00, B60L 11/18, H01M 10/44, H02M 7/483, H01M 10/42. Battery management system for generating a periodic alternating voltage based on battery state of wear : Appl. N 14/427769 : Filed 18.07.2013 : Pub. 22.05.2018 : / Hans-Joerg Wolff, Hans Partes, Joachim Fetzer, Stefan Butzmann ; Assignee Robert Bosch Gmbh, Samsung Sdi Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9979209/en?oq=US9979209.html (дата обращения: ДД.ММ.ГГГГ).