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AS 1141.21-1997 Amd 1:2020
Methods for sampling and testing aggregates Aggregate crushing value
现行
发布日期 :
2020-09-18
实施日期 :
AS 1141.25.3-2003 (R2013)/Amdt 1-2019
Methods for sampling and testing aggregates Degradation factor - Fine aggregate
现行
发布日期 :
2019-08-27
实施日期 :