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Pat. 11162181 United States, Int. Cl.22 C25B 15/02, C25B 1/04, C25B 9/73, C25B 15/08, G08B 17/10, H01M 8/0656, H01M 16/00, H02M 7/28. Hydrogen production apparatus and hydrogen production system : Appl. N 16/784772 : Filed 07.02.2020 : Pub. 02.11.2021 : / Tomomi Harano, Masatoshi Higuchi ; Assignee Toshiba Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11162181/en?oq=US11162181.html (дата обращения: ДД.ММ.ГГГГ).