Standard Speciﬁcation for Ferritic Malleable Iron Castings1
This standard is issued below the ﬁxed designation a forty seven/a 47m; the wide variety immediately following the designation indicates the yr of original adoption or, inside the case of revision, the year of ultimate revision. a range of in parentheses shows the yr of final reapproval. a superscript epsilon (e) suggests an editorial trade for the reason that ultimate revision or reapproval.
this popular has been authorized to be used via corporations of the branch of defense.
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