ASTM WK23898(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK23898 - Revision of C744 - 08 Standard Specification for Prefaced Concrete and Calcium Silicate Masonry UnitsActive Standard: C744 - 09 Developed by Subcommittee: C15.03 | Committee C15 Home | Contact Staff Manager
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