DIN EN 71-4 : 2013现行
SAFETY OF TOYS - PART 4: EXPERIMENTAL SETS FOR CHEMISTRY AND RELATED ACTIVITIES
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
基本信息
标准编号： DIN EN 71-4 : 2013
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
Defines requirements for the maximum amount and, in some cases, the maximum concentration of certain substances and mixtures used in experimental sets for chemistry and related activities.
等同采用的国际标准
SNV NF EN 71-4 : 1990 - Identical
