Standard Practice for Locating the Thinnest Spot in a Zinc (Galvanized) Coating on Iron or Steel Articles1, 2
This general is issued underneath the ﬁxed designation a 239; the wide variety straight away following the designation shows the yr of original adoption or, within the case of revision, the year of remaining revision. a variety of in parentheses shows the year of closing reapproval. a superscript epsilon (e) shows an editorial exchange for the reason that last revision or reapproval.
This standard has been authorised to be used with the aid of agencies of the department of defense.
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