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Pat. 11391785 United States, Int. Cl.22 G01R 31/42, G01R 31/12, H02M 5/44, H02M 7/04, H02M 7/48. Method for insulation monitoring of a converter-supplied power supply system : Appl. N 16/564178 : Filed 09.09.2019 : Pub. 19.07.2022 : / Dieter Hackl ; Assignee Bender Gmbh and Co Kg ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11391785/en?oq=US11391785.html (дата обращения: ДД.ММ.ГГГГ).