
PLASTICS - SYMBOLS AND ABBREVIATED TERMS - PART 1: BASIC POLYMER AND THEIR SPECIAL CHARACTERISTICS (ISO 1043-1:2011/AMD 1:2016)
出版:Comite Europeen de Normalisation

专家解读视频
PLASTICS - SYMBOLS AND ABBREVIATED TERMS - PART 1: BASIC POLYMER AND THEIR SPECIAL CHARACTERISTICS (ISO 1043-1:2011/AMD 1:2016)
出版:Comite Europeen de Normalisation
专家解读视频