Adopts ISO 6139:1993 with national modifications to provide experimental methods for evaluating the heterogeneity of distribution of aluminium ores for the purpose of determining the minimum number of primary increments and consequently the sampling sche
AS 2806.7-2004由澳大利亚标准协会 AU-SA 发布于 2004-08-13。
AS 2806.7-2004在国际标准分类中归属于: 73.060.40 铝矿。
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