Standard Specification for
Nonloadbearing Concrete Masonry Units1
This preferred is issued below the fixed designation c 129; the variety right now following the designation suggests the year of
original adoption or, in the case of revision, the 12 months of ultimate revision. a range of in parentheses indicates the year of final reapproval. a
superscript epsilon (e) suggests an article change since the remaining revision or reapproval.
This standard has been accredited to be used by companies of the branch of protection.
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