ASTM-D7655 › Complete Document History
Standard Classification for Size of Aggregate Used as Ballast for Membrane Roof Systems
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2012 R22 EDITION - REAPPROVED IN 2022 - Nov. 8, 2022
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Obsolete Revision Information: |
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2012 R17 EDITION - REAPPROVED IN 2017 - Dec. 1, 2017
2012 EDITION - Standard Classification for Size of Aggregate Used as Ballas - Jan. 31, 2012 |