Standard Test Method for Resistance of Nonporous Paper to Passage of Air1
This standard is issued underneath the ﬁxed designation d 726; the wide variety right away following the designation suggests the 12 months of unique adoption or, within the case of revision, the year of final revision. Quite a number in parentheses suggests the year of remaining reapproval. A superscript epsilon (e) suggests an editorial alternate for the reason that last revision or reapproval.
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You can also get ASTM D 724 – 99 International standard