Standard Speciﬁcation for Nonoriented Electrical Steel, Semiprocessed Types1
This trendy is issued below the ﬁxed designation a 683/a 683m; the variety straight away following the designation indicates the year of authentic adoption or, in the case of revision, the yr of last revision. Various in parentheses indicates the yr of remaining reapproval. A superscript epsilon (e) shows an editorial change since the last revision or reapproval.
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