ASTM WK32669(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK32669 - Revision of C507M - 11 Standard Specification for Reinforced Concrete Elliptical Culvert, Storm Drain, and Sewer Pipe (Metric)Active Standard: C507M - 13b Developed by Subcommittee: C13.02 | Committee C13 Home | Contact Staff Manager
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