ASTM WK38697(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK38697 - Revision of C140 - 12 Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related UnitsActive Standard: C140 - 13 Developed by Subcommittee: C15.03 | Committee C15 Home | Contact Staff Manager
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