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  • Publication Date: December 31, 1969
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    WO-2009096596-A1August 06, 2009Jfe Steel CorporationTôle d'acier haute résistance et son procédé de production
    WO-2011013845-A1February 03, 2011Jfeスチール株式会社高強度鋼板およびその製造方法