Standard Test Methods of Measuring Dimensions of Rigid Rods and Tubes Used for Electrical Insulation1
This popular is issued underneath the fixed designation d 668; the range right away following the designation indicates the 12 months of authentic adoption or, within the case of revision, the yr of final revision. Various in parentheses shows the 12 months of ultimate reapproval. A superscript epsilon (e) indicates an editorial exchange for the reason that closing revision or reapproval.
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