Standard Speciﬁcation for Cast Iron Soil Pipe and Fittings1
This preferred is issued under the ﬁxed designationa seventy four; the wide variety straight away following the designation shows the yr of original adoption or, in the case of revision, the year of closing revision. A variety of in parentheses indicates the year of final reapproval. A superscript epsilon (e) suggests an editorial trade for the reason that final revision or reapproval.
This trendy has been accepted to be used by using groups of the department of defense.
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