Astm C 1597M – 04 Pdf free download
Standard Specification for Gypsum Wallboard (Hard Metric Sizes)1 This standard is issued under the fixed designation C 1597M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) … Read more