Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nobushiro Seo0
Hisashi Hori0
Date of Patent
April 26, 2022
Patent Application Number
16624263
Date Filed
November 16, 2017
Patent Primary Examiner
The method comprises a primary joining process in which primary joining is performed by friction stirring by moving a rotary tool (F) once around a recessed part (
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