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ISO 4957:2018PublishedTool steelsISO 5949:1983PublishedTool steels and bearing steels — Micrographic method for assessing the distribution of carbides using reference photomicrographsISO 11054:2006PublishedCutting tools — Designation of high-speed steel groupsISO 4957:1999WithdrawnTool steelsISO 4957:1980WithdrawnTool steelsISO 11054:1993WithdrawnCutting tools — Designation of high-speed steel groups