Standard Test Method for Thickness of Paper and Paperboard1
This wellknown is issued below the ﬁxed designation d 645/d 645m; the range without delay following the designation indicates the yr of authentic adoption or, inside the case of revision, the 12 months of final revision. A variety of in parentheses suggests the year of closing reapproval. A superscript epsilon (e) suggests a piece of writing trade because the final revision or reapproval.
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