Standard Test Method for
Fineness of Hydraulic Cement by Air-Permeability
Apparatus1
This widespread is issued below the constant designation c 204; the variety right away following the designation shows the yr of
unique adoption or, within the case of revision, the year of final revision. a number of in parentheses indicates the 12 months of remaining reapproval. a
superscript epsilon (e) suggests an article trade since the closing revision or reapproval
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