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SANS 13909-7 : 1ED 2001(R2012)現(xiàn)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
標(biāo)準(zhǔn)編號： SANS 13909-7 : 1ED 2001(R2012)
標(biāo)準(zhǔn)類別：Standard
出版單位：South African Bureau of Standards
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
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.
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ISO 13909-7 : 2016 - Identical
