
Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their special characteristics (ISO 1043-1:2011)
出版:Standardiserings-Kommissionen I Sverige

专家解读视频
Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their special characteristics (ISO 1043-1:2011)
出版:Standardiserings-Kommissionen I Sverige
专家解读视频