BS 5665-4:1990被替代
Safety of toys. Specification for experimental sets for chemistry and related activities
出版：British Standards Institution
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基本信息
标准编号： BS 5665-4:1990
发布时间：1990/10/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
Requirements for the maximum amount of certain substances and preparations used in experimental sets for chemistry and related activities. English language version of EN 71-4.
标准备注
© British Standards Institution 2013
替代本标准的新标准
