ASTM WK39879(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK39879 - Revision of C636 / C636M - 08 Standard Practice for Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-In PanelsActive Standard: C636 / C636M - 13 Developed by Subcommittee: E33.04 | Committee E33 Home | Contact Staff Manager
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