Standard Specification for Cupola Malleable Iron1
This widespread is issued underneath the fixed designation a 197/a 197m; the variety immediately following the designation indicates the yr of authentic adoption or, inside the case of revision, the year of final revision. a number of in parentheses suggests the 12 months of closing reapproval. a superscript epsilon (e) suggests a piece of writing exchange since the ultimate revision or reapproval.
This widespread has been approved to be used via organizations of the department of protection.
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