SANS 13909-7 : 1ED 2001(R2012)现行
HARD COAL AND COKE - MECHANICAL SAMPLING - PART 7: METHODS FOR DETERMINING THE PRECISION OF SAMPLING, SAMPLE PREPARATION AND TESTING
出版：South African Bureau of Standards
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基本信息
标准编号： SANS 13909-7 : 1ED 2001(R2012)
标准类别：Standard
出版单位：South African Bureau of Standards
标准页数：0
标准简介
Describes methods for estimating overall precision and for deriving values for primary increment variance which can be used to modify the sampling scheme to change the precision.
等同采用的国际标准
ISO 13909-7 : 2016 - Identical
