
Generic specification of information on products by properties Part 1: Principles and methods (IEC 3/1260/CDV:2016); German version prEN 62569-1:2016
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Generic specification of information on products by properties Part 1: Principles and methods (IEC 3/1260/CDV:2016); German version prEN 62569-1:2016
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频