ASTM WK41405(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK41405 - Revision of B491 / B491M - 06 Standard Specification for Aluminum and Aluminum-Alloy Extruded Round Tubes for General-Purpose ApplicationsActive Standard: B491 / B491M - 06 Developed by Subcommittee: B07.03 | Committee B07 Home | Contact Staff Manager
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