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خامات ومركزات النحاس والرصاص والزنك – الدقة والتحيز فى تقنيات قياس الكتلة (ISO 12745/2008(Confirmed2021))(متبناة)

This International Standard provides guidelines to test for bias over a wide range of mass measurement techniques, to estimate the precision for each technique and to calculate the precision for wet mass when estimated by applying one of those technique