
Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2018)
出版:Comite Europeen de Normalisation

专家解读视频
Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2018)
出版:Comite Europeen de Normalisation
专家解读视频