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Pat. 10050572 United States, Int. Cl.22 H01M 50/247, H02K 7/14, H02M 7/12, H02M 7/219, H02P 6/28. Power tool with electric motor and auxiliary switch path : Appl. N 15/623541 : Filed 15.06.2017 : Pub. 14.08.2018 : / Pradeep M. Pant, Michael K. Forster, Scott J. Eshleman, Samuel G. Woods, Timothy J. Seeley, Mark T. Cherry ; Assignee Black and Decker Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10050572/en?oq=US10050572.html (дата обращения: ДД.ММ.ГГГГ).