
Plastics - Methods for determining the density of non-cellular plastics - Part 2: Density gradient column method (ISO 1183-2:2019)
出版:Comite Europeen de Normalisation

专家解读视频
Plastics - Methods for determining the density of non-cellular plastics - Part 2: Density gradient column method (ISO 1183-2:2019)
出版:Comite Europeen de Normalisation
专家解读视频