Standard Test Methods for
Rigid Tubes Used for Electrical Insulation1
This popular is issued underneath the constant designation d 348; the wide variety at once following the designation indicates the year of
original adoption or, in the case of revision, the year of final revision. more than a few in parentheses shows the 12 months of final reapproval. a
superscript epsilon (e) shows an editorial change since the closing revision or reapproval.
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