Standard Specification for
Mortar for Unit Masonry1
This wellknown is issued under the fixed designation c 270; the range immediately following the designation indicates the year of
unique adoption or, within the case of revision, the 12 months of remaining revision. more than a few in parentheses shows the 12 months of closing reapproval. a
superscript epsilon (e) suggests an article alternate because the remaining revision or reapproval.
This popular has been accredited to be used by means of companies of the department of protection.
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