ASTM WK39642(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK39642 - Revision of C478 - 12a Standard Specification for Precast Reinforced Concrete Manhole SectionsActive Standard: C478 - 13 Developed by Subcommittee: C13.06 | Committee C13 Home | Contact Staff Manager
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