B21B 1/088

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9644372 High-strength H-beam steel exhibiting excellent low-temperature toughness and method of manufacturing sameDec 12, 12May 09, 17NIPPON STEEL & SUMITOMO METAL CORPORATION
9522418 Method and device for producing metal profiles having a closely toleranced chamber dimensionMay 13, 11Dec 20, 16Mannstaedt GmbH
9482005 H-Section steelNov 13, 13Nov 01, 16NIPPON STEEL & SUMITOMO METAL CORPORATION