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Pat. 10971917 United States, Int. Cl.22 H02H 3/02, H02H 3/20, H02H 7/10, H02H 7/12, H02M 1/36, H02M 3/335, H02M 1/00, H02M 1/32. Primary-pulsed switching power supply : Appl. N 16/615169 : Filed 09.05.2018 : Pub. 06.04.2021 : / Max Jehle, Max Bauer, Patrick Geib ; Assignee Endress and Hauser Se and Co Kg ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10971917/en?oq=US10971917.html (дата обращения: ДД.ММ.ГГГГ).