Standard Specification for
Loadbearing Concrete Masonry Units1
This general is issued below the constant designation c ninety; the quantity right away following the designation indicates the 12 months of original
adoption or, in the case of revision, the yr of remaining revision. a number of in parentheses suggests the year of remaining reapproval. a superscript
epsilon (e) shows an article trade because the ultimate revision or reapproval.
This popular has been approved for use by using companies of the department of protection.
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