View Historical Standards for C221:

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Document Designation and Title Year Select Item(s) C221 Standard Specification for Corrugated Asbestos-Cement Sheets 98(2003)e1 C221 Standard Specification for Corrugated Asbestos-Cement Sheets 98(2003) C221 Standard Specification for Corrugated Asbestos-Cement Sheets 98 C221 Standard Specification for Corrugated Asbestos-Cement Sheets 77