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Pat. 10468874 United States, Int. Cl.22 G01R 27/18, G01R 19/165, G01R 19/25, H01H 83/10, H02H 1/00, H02H 1/04, H02H 3/17, H02H 9/04, H02M 7/04, G01R 35/00, H01H 71/02, H02H 11/00. Combined device for electrical protection against transient overvoltages and monitoring of an electrical installation : Appl. N 15/113121 : Filed 05.02.2015 : Pub. 05.11.2019 : / Carles Pons Gonzalez, Jose Antonio Martin Peidro ; Assignee Cirprotec Sl, Mersen Usa Newburyport Ma LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10468874/en?oq=US10468874.html (дата обращения: ДД.ММ.ГГГГ).