ASTM WK29775(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK29775 - Revision of C1691 - 09 Standard Specification for Unreinforced Autoclaved Aerated Concrete (AAC) Masonry UnitsActive Standard: C1691 - 11 Developed by Subcommittee: C15.10 | Committee C15 Home | Contact Staff Manager
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