Standard Test Methods for
Sampling and Testing Brick and Structural Clay Tile1
This preferred is issued beneath the constant designation c 67; the number right away following the designation suggests the 12 months of authentic
adoption or, inside the case of revision, the year of final revision. more than a few in parentheses indicates the 12 months of last reapproval. a superscript
epsilon (e) shows an editorial exchange since the ultimate revision or reapproval.
This wellknown has been permitted for use through businesses of the branch of defense
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