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Pat. 11211217 United States, Int. Cl.22 H01H 47/04, B60L 3/04, H01H 50/16, H01H 51/04, H01M 10/44, H02M 7/42. Relay and power battery circuit using the same : Appl. N 16/649077 : Filed 18.09.2018 : Pub. 28.12.2021 : / Zhijie Kong ; Assignee Wm Smart Mobility Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11211217/en?oq=US11211217.html (дата обращения: ДД.ММ.ГГГГ).