Conformity assessment - Requirements for bodies providing audit and certification of management systems - Part 1: Requirements (ISO/IEC 17021-1:2015); German and English version EN ISO/IEC 17021-1:2015
合格评定.管理体系审核和认证机构的要求.第1部分:要求(ISO/IEC 17021-1-2015);德语和英语版本EN ISO/IEC 17021-1:2015