ASTM WK35485(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK35485 - Revision of D4428 / D4428M - 07 Standard Test Methods for Crosshole Seismic TestingActive Standard: D4428 / D4428M - 07 Developed by Subcommittee: D18.09 | Committee D18 Home | Contact Staff Manager
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