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المواد المعدنية – اختبار صلادة ليب – الجزء الثانى: التحقق من أجهزة الأختبار ومعايرتها (ISO:16859-2/2015 -Confirmed in 2022)(متبناة)

This part of ISO 16859 specifies methods for direct and indirect verification of test instruments used for determining Leeb hardness in accordance with ISO 16859-1, and also describes when these two types of verification are to be performed. The direct